diff --git a/expected_results.json b/expected_results.json
index 0c3e8c9a..07bcd11c 100644
--- a/expected_results.json
+++ b/expected_results.json
@@ -1 +1 @@
-{"chapter_6/valid/rh_assignment.c": {"return_code": 1}, "chapter_6/valid/if_nested_2.c": {"return_code": 2}, "chapter_6/valid/if_nested_3.c": {"return_code": 3}, "chapter_6/valid/nested_ternary.c": {"return_code": 7}, "chapter_6/valid/binary_false_condition.c": {"return_code": 0}, "chapter_6/valid/else.c": {"return_code": 2}, "chapter_6/valid/nested_ternary_2.c": {"return_code": 15}, "chapter_6/valid/ternary_short_circuit.c": {"return_code": 1}, "chapter_6/valid/multiple_if.c": {"return_code": 8}, "chapter_6/valid/if_null_body.c": {"return_code": 1}, "chapter_6/valid/ternary_rh_binop.c": {"return_code": 1}, "chapter_6/valid/ternary_middle_assignment.c": {"return_code": 2}, "chapter_6/valid/if_nested_4.c": {"return_code": 4}, "chapter_6/valid/ternary_middle_binop.c": {"return_code": 1}, "chapter_6/valid/if_taken.c": {"return_code": 1}, "chapter_6/valid/if_not_taken.c": {"return_code": 0}, "chapter_6/valid/if_nested_5.c": {"return_code": 1}, "chapter_6/valid/assign_ternary.c": {"return_code": 2}, "chapter_6/valid/ternary.c": {"return_code": 4}, "chapter_6/valid/if_nested.c": {"return_code": 1}, "chapter_6/valid/ternary_short_circuit_2.c": {"return_code": 2}, "chapter_6/valid/binary_condition.c": {"return_code": 5}, "chapter_6/valid/extra_credit/goto_label_and_var.c": {"return_code": 5}, "chapter_6/valid/extra_credit/goto_label_main_2.c": {"return_code": 0}, "chapter_6/valid/extra_credit/bitwise_ternary.c": {"return_code": 5}, "chapter_6/valid/extra_credit/goto_label_main.c": {"return_code": 0}, "chapter_6/valid/extra_credit/goto_nested_label.c": {"return_code": 5}, "chapter_6/valid/extra_credit/goto_backwards.c": {"return_code": 5}, "chapter_6/valid/extra_credit/goto_label.c": {"return_code": 1}, "chapter_6/valid/extra_credit/compound_if_expression.c": {"return_code": 1}, "chapter_6/valid/extra_credit/goto_after_declaration.c": {"return_code": 1}, "chapter_8/valid/for.c": {"return_code": 16}, "chapter_8/valid/continue.c": {"return_code": 1}, "chapter_8/valid/multi_continue_same_loop.c": {"return_code": 1}, "chapter_8/valid/for_absent_post.c": {"return_code": 0}, "chapter_8/valid/null_for_header.c": {"return_code": 4}, "chapter_8/valid/nested_loop.c": {"return_code": 1}, "chapter_8/valid/nested_break.c": {"return_code": 250}, "chapter_8/valid/do_while.c": {"return_code": 16}, "chapter_8/valid/for_absent_condition.c": {"return_code": 0}, "chapter_8/valid/do_while_break_immediate.c": {"return_code": 10}, "chapter_8/valid/continue_empty_post.c": {"return_code": 30}, "chapter_8/valid/nested_continue.c": {"return_code": 24}, "chapter_8/valid/break.c": {"return_code": 1}, "chapter_8/valid/for_nested_shadow.c": {"return_code": 1}, "chapter_8/valid/empty_expression.c": {"return_code": 0}, "chapter_8/valid/multi_break.c": {"return_code": 1}, "chapter_8/valid/for_decl.c": {"return_code": 101}, "chapter_8/valid/for_shadow.c": {"return_code": 1}, "chapter_8/valid/break_immediate.c": {"return_code": 1}, "chapter_8/valid/while.c": {"return_code": 6}, "chapter_8/valid/empty_loop_body.c": {"return_code": 252}, "chapter_8/valid/extra_credit/switch_fallthrough.c": {"return_code": 4}, "chapter_8/valid/extra_credit/compound_assignment_for_loop.c": {"return_code": 10}, "chapter_8/valid/extra_credit/switch_break.c": {"return_code": 5}, "chapter_8/valid/extra_credit/switch_default.c": {"return_code": 22}, "chapter_8/valid/extra_credit/switch_default_fallthrough.c": {"return_code": 0}, "chapter_8/valid/extra_credit/switch_with_loop.c": {"return_code": 123}, "chapter_8/valid/extra_credit/switch_assign_in_body.c": {"return_code": 3}, "chapter_8/valid/extra_credit/switch_in_loop.c": {"return_code": 1}, "chapter_8/valid/extra_credit/switch_no_case.c": {"return_code": 4}, "chapter_8/valid/extra_credit/switch_nested_case.c": {"return_code": 3}, "chapter_8/valid/extra_credit/switch_nested_not_taken.c": {"return_code": 2}, "chapter_8/valid/extra_credit/switch_decl.c": {"return_code": 7}, "chapter_8/valid/extra_credit/switch_with_continue.c": {"return_code": 5}, "chapter_8/valid/extra_credit/switch_empty.c": {"return_code": 10}, "chapter_8/valid/extra_credit/goto_loop_body.c": {"return_code": 1}, "chapter_8/valid/extra_credit/goto_bypass_condition.c": {"return_code": 10}, "chapter_8/valid/extra_credit/switch_nested_switch.c": {"return_code": 1}, "chapter_8/valid/extra_credit/switch_block.c": {"return_code": 1}, "chapter_8/valid/extra_credit/switch_default_not_last.c": {"return_code": 0}, "chapter_8/valid/extra_credit/switch_assign_in_condition.c": {"return_code": 2}, "chapter_8/valid/extra_credit/switch.c": {"return_code": 3}, "chapter_8/valid/extra_credit/switch_goto_mid_case.c": {"return_code": 1}, "chapter_14/valid/libraries/static_pointer.c": {"return_code": 0}, "chapter_14/valid/libraries/global_pointer.c": {"return_code": 1}, "chapter_14/valid/function_calls/address_of_argument.c": {"return_code": 0}, "chapter_14/valid/function_calls/update_value_through_pointer_parameter.c": {"return_code": 0}, "chapter_14/valid/function_calls/return_pointer.c": {"return_code": 0}, "chapter_14/valid/extra_credit/incr_through_pointer.c": {"return_code": 11}, "chapter_14/valid/extra_credit/compound_assign_through_pointer.c": {"return_code": 1}, "chapter_14/valid/declarators/declare_pointer_in_for_loop.c": {"return_code": 5}, "chapter_14/valid/declarators/abstract_declarators.c": {"return_code": 0}, "chapter_14/valid/declarators/declarators.c": {"return_code": 0}, "chapter_14/valid/dereference/static_var_indirection.c": {"return_code": 0}, "chapter_14/valid/dereference/multilevel_indirection.c": {"return_code": 0}, "chapter_14/valid/dereference/read_through_pointers.c": {"return_code": 0}, "chapter_14/valid/dereference/update_through_pointers.c": {"return_code": 0}, "chapter_14/valid/dereference/address_of_dereference.c": {"return_code": 0}, "chapter_14/valid/dereference/simple.c": {"return_code": 3}, "chapter_14/valid/dereference/dereference_expression_result.c": {"return_code": 0}, "chapter_14/valid/casts/cast_between_pointer_types.c": {"return_code": 0}, "chapter_14/valid/casts/pointer_int_casts.c": {"return_code": 0}, "chapter_14/valid/casts/null_pointer_conversion.c": {"return_code": 0}, "chapter_14/valid/comparisons/compare_pointers.c": {"return_code": 0}, "chapter_14/valid/comparisons/pointers_as_conditions.c": {"return_code": 0}, "chapter_14/valid/comparisons/compare_to_null.c": {"return_code": 0}, "chapter_10/valid/static_then_extern.c": {"return_code": 3}, "chapter_10/valid/push_arg_on_page_boundary.c": {"return_code": 1}, "chapter_10/valid/static_local_multiple_scopes.c": {"return_code": 0, "stdout": "Aa\nBb\nCc\nDd\nEe\nFf\nGg\nHh\nIi\nJj\nKk\nLl\nMm\nNn\nOo\nPp\nQq\nRr\nSs\nTt\nUu\nVv\nWw\nXx\nYy\nZz\n"}, "chapter_10/valid/tentative_definition.c": {"return_code": 5}, "chapter_10/valid/static_variables_in_expressions.c": {"return_code": 0}, "chapter_10/valid/static_recursive_call.c": {"return_code": 0, "stdout": "ABCDEFGHIJKLMNOPQRSTUVWXYZ"}, "chapter_10/valid/shadow_static_local_var.c": {"return_code": 0}, "chapter_10/valid/multiple_static_local.c": {"return_code": 29}, "chapter_10/valid/multiple_static_file_scope_vars.c": {"return_code": 4}, "chapter_10/valid/static_local_uninitialized.c": {"return_code": 4}, "chapter_10/valid/type_before_storage_class.c": {"return_code": 7}, "chapter_10/valid/extern_block_scope_variable.c": {"return_code": 3}, "chapter_10/valid/distinct_local_and_extern.c": {"return_code": 7}, "chapter_10/valid/libraries/internal_hides_external_linkage.c": {"return_code": 0}, "chapter_10/valid/libraries/external_tentative_var.c": {"return_code": 0}, "chapter_10/valid/libraries/external_linkage_function.c": {"return_code": 0}, "chapter_10/valid/libraries/external_variable.c": {"return_code": 0}, "chapter_10/valid/libraries/internal_linkage_var.c": {"return_code": 0}, "chapter_10/valid/libraries/external_var_scoping.c": {"return_code": 0}, "chapter_10/valid/libraries/internal_linkage_function.c": {"return_code": 0}, "chapter_10/valid/extra_credit/goto_skip_static_initializer.c": {"return_code": 10}, "chapter_2/valid/neg.c": {"return_code": 251}, "chapter_2/valid/negate_int_max.c": {"return_code": 1}, "chapter_2/valid/redundant_parens.c": {"return_code": 246}, "chapter_2/valid/neg_zero.c": {"return_code": 0}, "chapter_2/valid/bitwise_int_min.c": {"return_code": 254}, "chapter_2/valid/bitwise_zero.c": {"return_code": 255}, "chapter_2/valid/parens_3.c": {"return_code": 4}, "chapter_2/valid/parens_2.c": {"return_code": 253}, "chapter_2/valid/bitwise.c": {"return_code": 243}, "chapter_2/valid/nested_ops_2.c": {"return_code": 1}, "chapter_2/valid/nested_ops.c": {"return_code": 2}, "chapter_2/valid/parens.c": {"return_code": 254}, "chapter_1/valid/return_0.c": {"return_code": 0}, "chapter_1/valid/newlines.c": {"return_code": 0}, "chapter_1/valid/return_2.c": {"return_code": 2}, "chapter_1/valid/multi_digit.c": {"return_code": 100}, "chapter_1/valid/tabs.c": {"return_code": 0}, "chapter_1/valid/spaces.c": {"return_code": 0}, "chapter_1/valid/no_newlines.c": {"return_code": 0}, "chapter_13/valid/floating_expressions/logical.c": {"return_code": 0}, "chapter_13/valid/floating_expressions/arithmetic_ops.c": {"return_code": 0}, "chapter_13/valid/floating_expressions/static_initialized_double.c": {"return_code": 0}, "chapter_13/valid/floating_expressions/comparisons.c": {"return_code": 0}, "chapter_13/valid/floating_expressions/simple.c": {"return_code": 1}, "chapter_13/valid/floating_expressions/loop_controlling_expression.c": {"return_code": 100}, "chapter_13/valid/libraries/double_parameters.c": {"return_code": 0}, "chapter_13/valid/libraries/use_arg_after_fun_call.c": {"return_code": 4}, "chapter_13/valid/libraries/double_and_int_params_recursive.c": {"return_code": 0}, "chapter_13/valid/libraries/extern_double.c": {"return_code": 1}, "chapter_13/valid/libraries/double_params_and_result.c": {"return_code": 1}, "chapter_13/valid/explicit_casts/cvttsd2i_rewrite.c": {"return_code": 0}, "chapter_13/valid/explicit_casts/double_to_signed.c": {"return_code": 0}, "chapter_13/valid/explicit_casts/unsigned_to_double.c": {"return_code": 0}, "chapter_13/valid/explicit_casts/signed_to_double.c": {"return_code": 0}, "chapter_13/valid/explicit_casts/double_to_unsigned.c": {"return_code": 0}, "chapter_13/valid/implicit_casts/convert_for_assignment.c": {"return_code": 0}, "chapter_13/valid/implicit_casts/common_type.c": {"return_code": 0}, "chapter_13/valid/implicit_casts/static_initializers.c": {"return_code": 0}, "chapter_13/valid/implicit_casts/complex_arithmetic_common_type.c": {"return_code": 1}, "chapter_13/valid/constants/round_constants.c": {"return_code": 0}, "chapter_13/valid/constants/constant_doubles.c": {"return_code": 0}, "chapter_13/valid/special_values/subnormal_not_zero.c": {"return_code": 0}, "chapter_13/valid/special_values/negative_zero.c": {"return_code": 0}, "chapter_13/valid/special_values/infinity.c": {"return_code": 0}, "chapter_13/valid/function_calls/double_parameters.c": {"return_code": 0}, "chapter_13/valid/function_calls/double_and_int_parameters.c": {"return_code": 0}, "chapter_13/valid/function_calls/standard_library_call.c": {"return_code": 0}, "chapter_13/valid/function_calls/use_arg_after_fun_call.c": {"return_code": 4}, "chapter_13/valid/function_calls/return_double.c": {"return_code": 1}, "chapter_13/valid/function_calls/double_and_int_params_recursive.c": {"return_code": 0}, "chapter_13/valid/extra_credit/compound_assign.c": {"return_code": 1}, "chapter_13/valid/extra_credit/nan.c": {"return_code": 0}, "chapter_13/valid/extra_credit/compound_assign_implicit_cast.c": {"return_code": 1}, "chapter_18/valid/params_and_returns/pass_and_return_struct.c": {"return_code": 11}, "chapter_18/valid/params_and_returns/temporary_lifetime.c": {"return_code": 0}, "chapter_18/valid/params_and_returns/return_struct_on_page_boundary.c": {"return_code": 0}, "chapter_18/valid/params_and_returns/return_incomplete_type.c": {"return_code": 0}, "chapter_18/valid/params_and_returns/cast_struct_to_void.c": {"return_code": 2}, "chapter_18/valid/params_and_returns/return_struct.c": {"return_code": 11}, "chapter_18/valid/params_and_returns/libraries/return_calling_conventions.c": {"return_code": 0}, "chapter_18/valid/params_and_returns/libraries/pass_wonky_struct.c": {"return_code": 0}, "chapter_18/valid/params_and_returns/libraries/missing_retval.c": {"return_code": 1}, "chapter_18/valid/params_and_returns/libraries/retval_struct_sizes.c": {"return_code": 0}, "chapter_18/valid/no_structure_parameters/pass_pointer_to_struct.c": {"return_code": 112}, "chapter_18/valid/no_structure_parameters/typecheck/deref_incomplete_var.c": {"return_code": 1}, "chapter_18/valid/no_structure_parameters/typecheck/conditional_struct.c": {"return_code": 1}, "chapter_18/valid/no_structure_parameters/typecheck/block_scope_forward_decl.c": {"return_code": 3}, "chapter_18/valid/no_structure_parameters/typecheck/define_then_declare.c": {"return_code": 1}, "chapter_18/valid/no_structure_parameters/typecheck/incomplete_var_completed.c": {"return_code": 100}, "chapter_18/valid/no_structure_parameters/typecheck/file_scope_forward_decl.c": {"return_code": 2}, "chapter_18/valid/no_structure_parameters/struct_copy_tests/copy_struct_with_array_2.c": {"return_code": 1}, "chapter_18/valid/no_structure_parameters/struct_copy_tests/load_test.c": {"return_code": 0}, "chapter_18/valid/no_structure_parameters/struct_copy_tests/copy_struct_into_member.c": {"return_code": 0}, "chapter_18/valid/no_structure_parameters/struct_copy_tests/copy_struct.c": {"return_code": 7}, "chapter_18/valid/no_structure_parameters/struct_copy_tests/array_of_structs_padding.c": {"return_code": 1}, "chapter_18/valid/no_structure_parameters/struct_copy_tests/array_of_structs.c": {"return_code": 19}, "chapter_18/valid/no_structure_parameters/struct_copy_tests/copy_from_offset_test.c": {"return_code": 0}, "chapter_18/valid/no_structure_parameters/struct_copy_tests/copy_struct_with_array.c": {"return_code": 1}, "chapter_18/valid/no_structure_parameters/member_access_tests/global_struct.c": {"return_code": 7}, "chapter_18/valid/no_structure_parameters/member_access_tests/deref_arrow.c": {"return_code": 3}, "chapter_18/valid/no_structure_parameters/member_access_tests/linked_list.c": {"return_code": 30}, "chapter_18/valid/no_structure_parameters/member_access_tests/assign_to_struct.c": {"return_code": 10}, "chapter_18/valid/no_structure_parameters/member_access_tests/pointer_to_struct.c": {"return_code": 1}, "chapter_18/valid/no_structure_parameters/member_access_tests/get_array_through_pointer.c": {"return_code": 1}, "chapter_18/valid/no_structure_parameters/member_access_tests/struct.c": {"return_code": 1}, "chapter_18/valid/no_structure_parameters/member_access_tests/nested_struct.c": {"return_code": 16}, "chapter_18/valid/no_structure_parameters/member_access_tests/addr_of_arrow.c": {"return_code": 10}, "chapter_18/valid/no_structure_parameters/member_access_tests/copy_from_pointer.c": {"return_code": 1}, "chapter_18/valid/no_structure_parameters/member_access_tests/static_struct.c": {"return_code": 19}, "chapter_18/valid/no_structure_parameters/member_access_tests/global_nested_struct.c": {"return_code": 8}, "chapter_18/valid/no_structure_parameters/member_access_tests/non_static_struct.c": {"return_code": 9}, "chapter_18/valid/no_structure_parameters/member_access_tests/get_member_addresses.c": {"return_code": 0}, "chapter_18/valid/no_structure_parameters/member_access_tests/nested_address_calculations.c": {"return_code": 0}, "chapter_18/valid/no_structure_parameters/member_access_tests/aggregate_through_arrow.c": {"return_code": 0}, "chapter_18/valid/no_structure_parameters/member_access_tests/copy_to_pointer.c": {"return_code": 1}, "chapter_18/valid/no_structure_parameters/member_access_tests/assign_to_struct_pointer.c": {"return_code": 10}, "chapter_18/valid/no_structure_parameters/libraries/global_struct.c": {"return_code": 0}, "chapter_18/valid/no_structure_parameters/libraries/initializers.c": {"return_code": 0}, "chapter_18/valid/no_structure_parameters/libraries/incomplete_var.c": {"return_code": 5}, "chapter_18/valid/no_structure_parameters/libraries/nested_pointer_access.c": {"return_code": 0}, "chapter_18/valid/no_structure_parameters/sizeof/sizeof_wonky.c": {"return_code": 19}, "chapter_18/valid/no_structure_parameters/sizeof/sizeof_struct.c": {"return_code": 8}, "chapter_18/valid/no_structure_parameters/sizeof/sizeof_padded.c": {"return_code": 1}, "chapter_18/valid/no_structure_parameters/parse_and_lex/postfix_precedence.c": {"return_code": 1}, "chapter_18/valid/no_structure_parameters/parse_and_lex/space_around_struct_member.c": {"return_code": 1}, "chapter_18/valid/no_structure_parameters/parse_and_lex/struct_member_looks_like_const.c": {"return_code": 3}, "chapter_18/valid/no_structure_parameters/initializers/nested_struct_init.c": {"return_code": 157}, "chapter_18/valid/no_structure_parameters/initializers/mixed_initialization.c": {"return_code": 7}, "chapter_18/valid/no_structure_parameters/initializers/load_addr_in_init.c": {"return_code": 6}, "chapter_18/valid/no_structure_parameters/initializers/partial_struct_init.c": {"return_code": 26}, "chapter_18/valid/no_structure_parameters/initializers/string_in_global_struct.c": {"return_code": 1}, "chapter_18/valid/no_structure_parameters/initializers/string_in_struct.c": {"return_code": 1}, "chapter_18/valid/no_structure_parameters/scoping_tests/scoped_struct.c": {"return_code": 2}, "chapter_18/valid/no_structure_parameters/scoping_tests/resolve_tag_for_loop_decl.c": {"return_code": 10}, "chapter_18/valid/no_structure_parameters/scoping_tests/same_tag_name.c": {"return_code": 8}, "chapter_18/valid/no_structure_parameters/scoping_tests/resolve_tags_derived_types.c": {"return_code": 1}, "chapter_18/valid/no_structure_parameters/scoping_tests/different_namespaces_same_ids.c": {"return_code": 10}, "chapter_18/valid/no_structure_parameters/scoping_tests/resolve_tag_sizeof.c": {"return_code": 1}, "chapter_18/valid/no_structure_parameters/scoping_tests/same_tag_name_simple.c": {"return_code": 4}, "chapter_18/valid/no_structure_parameters/scoping_tests/declare_struct.c": {"return_code": 1}, "chapter_18/valid/no_structure_parameters/scoping_tests/shared_struct_and_var_names.c": {"return_code": 1}, "chapter_18/valid/parameters/pass_struct_as_arg.c": {"return_code": 1}, "chapter_18/valid/parameters/pass_args_on_page_boundary.c": {"return_code": 0}, "chapter_18/valid/parameters/incomplete_param_type.c": {"return_code": 3}, "chapter_18/valid/parameters/pass_struct_and_other_args.c": {"return_code": 1}, "chapter_18/valid/parameters/libraries/param_calling_conventions.c": {"return_code": 0}, "chapter_18/valid/parameters/libraries/preserve_stack.c": {"return_code": 0}, "chapter_18/valid/parameters/libraries/struct_sizes.c": {"return_code": 0}, "chapter_18/valid/parameters/libraries/pass_struct.c": {"return_code": 0}, "chapter_18/valid/parameters/libraries/array_of_structs.c": {"return_code": 0}, "chapter_15/valid/initialization/automatic.c": {"return_code": 0}, "chapter_15/valid/initialization/static.c": {"return_code": 0}, "chapter_15/valid/initialization/trailing_comma_initializer.c": {"return_code": 3}, "chapter_15/valid/initialization/automatic_nested.c": {"return_code": 0}, "chapter_15/valid/initialization/static_nested.c": {"return_code": 0}, "chapter_15/valid/libraries/set_array_val.c": {"return_code": 0}, "chapter_15/valid/libraries/return_pointer_to_array.c": {"return_code": 0}, "chapter_15/valid/libraries/global_array.c": {"return_code": 0}, "chapter_15/valid/subscripting/subscript_nested.c": {"return_code": 0}, "chapter_15/valid/subscripting/subscript_pointer.c": {"return_code": 0}, "chapter_15/valid/subscripting/array_of_pointers_to_arrays.c": {"return_code": 0}, "chapter_15/valid/subscripting/simple_subscripts.c": {"return_code": 0}, "chapter_15/valid/subscripting/simple.c": {"return_code": 3}, "chapter_15/valid/subscripting/complex_operands.c": {"return_code": 0}, "chapter_15/valid/subscripting/addition_subscript_equivalence.c": {"return_code": 0}, "chapter_15/valid/subscripting/subscript_precedence.c": {"return_code": 1}, "chapter_15/valid/allocation/test_alignment.c": {"return_code": 0}, "chapter_15/valid/pointer_arithmetic/pointer_add.c": {"return_code": 0}, "chapter_15/valid/pointer_arithmetic/add_dereference_and_assign.c": {"return_code": 0}, "chapter_15/valid/pointer_arithmetic/pointer_diff.c": {"return_code": 0}, "chapter_15/valid/pointer_arithmetic/compare.c": {"return_code": 0}, "chapter_15/valid/extra_credit/incr_ptr.c": {"return_code": 1}, "chapter_15/valid/declarators/big_array.c": {"return_code": 0}, "chapter_15/valid/declarators/equivalent_declarators.c": {"return_code": 0}, "chapter_15/valid/declarators/return_nested_array.c": {"return_code": 0}, "chapter_15/valid/declarators/array_as_argument.c": {"return_code": 0}, "chapter_15/valid/declarators/for_loop_array.c": {"return_code": 0}, "chapter_15/valid/casts/multi_dim_casts.c": {"return_code": 0}, "chapter_15/valid/casts/implicit_and_explicit_conversions.c": {"return_code": 0}, "chapter_15/valid/casts/cast_array_of_pointers.c": {"return_code": 1}, "chapter_17/valid/void/cast_to_void.c": {"return_code": 12}, "chapter_17/valid/void/void_function.c": {"return_code": 0}, "chapter_17/valid/void/void_for_loop.c": {"return_code": 0, "stdout": "ZYXWVUTSRQPONMLKJIHGFEDCBAABCDEFGHIJKLMNOPQRSTUVWXYZZYXWVUTSRQPONMLKJIHGFEDCBA"}, "chapter_17/valid/void/ternary.c": {"return_code": 0}, "chapter_17/valid/libraries/pass_alloced_memory.c": {"return_code": 0}, "chapter_17/valid/libraries/test_for_memory_leaks.c": {"return_code": 0}, "chapter_17/valid/libraries/sizeof_extern.c": {"return_code": 1}, "chapter_17/valid/sizeof/sizeof_basic_types.c": {"return_code": 0}, "chapter_17/valid/sizeof/sizeof_consts.c": {"return_code": 0}, "chapter_17/valid/sizeof/sizeof_expressions.c": {"return_code": 0}, "chapter_17/valid/sizeof/sizeof_array.c": {"return_code": 0}, "chapter_17/valid/sizeof/sizeof_derived_types.c": {"return_code": 0}, "chapter_17/valid/sizeof/simple.c": {"return_code": 0}, "chapter_17/valid/sizeof/sizeof_result_is_ulong.c": {"return_code": 0}, "chapter_17/valid/sizeof/sizeof_not_evaluated.c": {"return_code": 4}, "chapter_17/valid/void_pointer/array_of_pointers_to_void.c": {"return_code": 0}, "chapter_17/valid/void_pointer/conversion_by_assignment.c": {"return_code": 0}, "chapter_17/valid/void_pointer/explicit_cast.c": {"return_code": 0}, "chapter_17/valid/void_pointer/simple.c": {"return_code": 100}, "chapter_17/valid/void_pointer/memory_management_functions.c": {"return_code": 0}, "chapter_17/valid/void_pointer/common_pointer_type.c": {"return_code": 0}, "chapter_16/valid/strings_as_lvalues/addr_of_string.c": {"return_code": 0, "stdout": "Sample\tstring!\n\n"}, "chapter_16/valid/strings_as_lvalues/standard_library_calls.c": {"return_code": 0, "stdout": "Hello, World!\n"}, "chapter_16/valid/strings_as_lvalues/array_of_strings.c": {"return_code": 0}, "chapter_16/valid/strings_as_lvalues/cast_string_pointer.c": {"return_code": 0}, "chapter_16/valid/strings_as_lvalues/empty_string.c": {"return_code": 0}, "chapter_16/valid/strings_as_lvalues/pointer_operations.c": {"return_code": 0}, "chapter_16/valid/strings_as_lvalues/simple.c": {"return_code": 108}, "chapter_16/valid/strings_as_lvalues/adjacent_strings.c": {"return_code": 0, "stdout": "Hello, World\n"}, "chapter_16/valid/strings_as_lvalues/string_special_characters.c": {"return_code": 0, "stdout": "Hello\"world\nHello\\World\nLine\nbreak!\nTesting, 123.\n^@1 _\\]\n"}, "chapter_16/valid/strings_as_lvalues/strings_in_function_calls.c": {"return_code": 0}, "chapter_16/valid/libraries/return_char.c": {"return_code": 0}, "chapter_16/valid/libraries/char_arguments.c": {"return_code": 0}, "chapter_16/valid/libraries/global_char.c": {"return_code": 0}, "chapter_16/valid/strings_as_initializers/array_init_special_chars.c": {"return_code": 0}, "chapter_16/valid/strings_as_initializers/terminating_null_bytes.c": {"return_code": 0}, "chapter_16/valid/strings_as_initializers/simple.c": {"return_code": 99}, "chapter_16/valid/strings_as_initializers/partial_initialize_via_string.c": {"return_code": 0}, "chapter_16/valid/strings_as_initializers/adjacent_strings_in_initializer.c": {"return_code": 0}, "chapter_16/valid/strings_as_initializers/transfer_by_eightbyte.c": {"return_code": 0}, "chapter_16/valid/strings_as_initializers/literals_and_compound_initializers.c": {"return_code": 0}, "chapter_16/valid/strings_as_initializers/write_to_array.c": {"return_code": 0, "stdout": "abc\nabx\nHello\nWorld\nJello\n"}, "chapter_16/valid/strings_as_initializers/test_alignment.c": {"return_code": 0}, "chapter_16/valid/char_constants/return_char_constant.c": {"return_code": 99}, "chapter_16/valid/char_constants/escape_sequences.c": {"return_code": 0}, "chapter_16/valid/char_constants/control_characters.c": {"return_code": 0}, "chapter_16/valid/char_constants/char_constant_operations.c": {"return_code": 0}, "chapter_16/valid/chars/partial_initialization.c": {"return_code": 0}, "chapter_16/valid/chars/convert_by_assignment.c": {"return_code": 0}, "chapter_16/valid/chars/type_specifiers.c": {"return_code": 0}, "chapter_16/valid/chars/push_arg_on_page_boundary.c": {"return_code": 1}, "chapter_16/valid/chars/integer_promotion.c": {"return_code": 0}, "chapter_16/valid/chars/chained_casts.c": {"return_code": 0}, "chapter_16/valid/chars/return_char.c": {"return_code": 0}, "chapter_16/valid/chars/char_arguments.c": {"return_code": 0}, "chapter_16/valid/chars/char_expressions.c": {"return_code": 0}, "chapter_16/valid/chars/access_through_char_pointer.c": {"return_code": 0}, "chapter_16/valid/chars/common_type.c": {"return_code": 0}, "chapter_16/valid/chars/static_initializers.c": {"return_code": 0}, "chapter_16/valid/chars/explicit_casts.c": {"return_code": 0}, "chapter_9/valid/arguments_in_registers/parameter_shadows_own_function.c": {"return_code": 2}, "chapter_9/valid/arguments_in_registers/expression_args.c": {"return_code": 2}, "chapter_9/valid/arguments_in_registers/single_arg.c": {"return_code": 6}, "chapter_9/valid/arguments_in_registers/hello_world.c": {"return_code": 0, "stdout": "Hello, World!\n"}, "chapter_9/valid/arguments_in_registers/parameter_shadows_function.c": {"return_code": 3}, "chapter_9/valid/arguments_in_registers/parameters_are_preserved.c": {"return_code": 1}, "chapter_9/valid/arguments_in_registers/forward_decl_multi_arg.c": {"return_code": 1}, "chapter_9/valid/arguments_in_registers/fibonacci.c": {"return_code": 8}, "chapter_9/valid/arguments_in_registers/param_shadows_local_var.c": {"return_code": 20}, "chapter_9/valid/no_arguments/function_shadows_variable.c": {"return_code": 11}, "chapter_9/valid/no_arguments/use_function_in_expression.c": {"return_code": 21}, "chapter_9/valid/no_arguments/no_return_value.c": {"return_code": 3}, "chapter_9/valid/no_arguments/multiple_declarations.c": {"return_code": 3}, "chapter_9/valid/no_arguments/precedence.c": {"return_code": 0}, "chapter_9/valid/no_arguments/forward_decl.c": {"return_code": 3}, "chapter_9/valid/no_arguments/variable_shadows_function.c": {"return_code": 7}, "chapter_9/valid/libraries/system_call.c": {"return_code": 0, "stdout": "H"}, "chapter_9/valid/libraries/many_args.c": {"return_code": 115}, "chapter_9/valid/libraries/addition.c": {"return_code": 3}, "chapter_9/valid/libraries/no_function_calls/division.c": {"return_code": 1}, "chapter_9/valid/libraries/no_function_calls/local_stack_variables.c": {"return_code": 100}, "chapter_9/valid/extra_credit/compound_assign_function_result.c": {"return_code": 1}, "chapter_9/valid/extra_credit/goto_label_multiple_functions.c": {"return_code": 5}, "chapter_9/valid/extra_credit/goto_shared_name.c": {"return_code": 1}, "chapter_9/valid/stack_arguments/call_putchar.c": {"return_code": 8, "stdout": "A"}, "chapter_9/valid/stack_arguments/lots_of_arguments.c": {"return_code": 1}, "chapter_9/valid/stack_arguments/stack_alignment.c": {"return_code": 1}, "chapter_9/valid/stack_arguments/test_for_memory_leaks.c": {"return_code": 1}, "chapter_12/valid/unsigned_expressions/logical.c": {"return_code": 0}, "chapter_12/valid/unsigned_expressions/arithmetic_wraparound.c": {"return_code": 1}, "chapter_12/valid/unsigned_expressions/arithmetic_ops.c": {"return_code": 0}, "chapter_12/valid/unsigned_expressions/comparisons.c": {"return_code": 0}, "chapter_12/valid/unsigned_expressions/simple.c": {"return_code": 1}, "chapter_12/valid/unsigned_expressions/static_variables.c": {"return_code": 1}, "chapter_12/valid/unsigned_expressions/locals.c": {"return_code": 0}, "chapter_12/valid/libraries/unsigned_args.c": {"return_code": 0}, "chapter_12/valid/libraries/unsigned_global_var.c": {"return_code": 1}, "chapter_12/valid/explicit_casts/same_size_conversion.c": {"return_code": 0}, "chapter_12/valid/explicit_casts/extension.c": {"return_code": 0}, "chapter_12/valid/explicit_casts/round_trip_casts.c": {"return_code": 0}, "chapter_12/valid/explicit_casts/chained_casts.c": {"return_code": 0}, "chapter_12/valid/explicit_casts/truncate.c": {"return_code": 0}, "chapter_12/valid/type_specifiers/signed_type_specifiers.c": {"return_code": 0}, "chapter_12/valid/type_specifiers/unsigned_type_specifiers.c": {"return_code": 0}, "chapter_12/valid/implicit_casts/convert_by_assignment.c": {"return_code": 0}, "chapter_12/valid/implicit_casts/promote_constants.c": {"return_code": 0}, "chapter_12/valid/implicit_casts/common_type.c": {"return_code": 0}, "chapter_12/valid/implicit_casts/static_initializers.c": {"return_code": 0}, "chapter_12/valid/extra_credit/switch_uint.c": {"return_code": 0}, "chapter_12/valid/extra_credit/compound_assign_uint.c": {"return_code": 1}, "chapter_12/valid/extra_credit/bitwise_unsigned_shift.c": {"return_code": 1}, "chapter_12/valid/extra_credit/bitwise_unsigned_ops.c": {"return_code": 1}, "chapter_5/valid/null_then_return.c": {"return_code": 0}, "chapter_5/valid/empty_function_body.c": {"return_code": 0}, "chapter_5/valid/short_circuit_or.c": {"return_code": 0}, "chapter_5/valid/assignment_in_initializer.c": {"return_code": 0}, "chapter_5/valid/non_short_circuit_or.c": {"return_code": 1}, "chapter_5/valid/null_statement.c": {"return_code": 0}, "chapter_5/valid/short_circuit_and_fail.c": {"return_code": 0}, "chapter_5/valid/local_var_missing_return.c": {"return_code": 0}, "chapter_5/valid/exp_then_declaration.c": {"return_code": 1}, "chapter_5/valid/add_variables.c": {"return_code": 3}, "chapter_5/valid/assign_val_in_initializer.c": {"return_code": 5}, "chapter_5/valid/assignment_lowest_precedence.c": {"return_code": 1}, "chapter_5/valid/allocate_temps_and_vars.c": {"return_code": 1}, "chapter_5/valid/use_assignment_result.c": {"return_code": 4}, "chapter_5/valid/use_val_in_own_initializer.c": {"return_code": 0}, "chapter_5/valid/unused_exp.c": {"return_code": 0}, "chapter_5/valid/return_var.c": {"return_code": 2}, "chapter_5/valid/mixed_precedence_assignment.c": {"return_code": 4}, "chapter_5/valid/assign.c": {"return_code": 2}, "chapter_5/valid/extra_credit/bitwise_shiftr_assign.c": {"return_code": 77}, "chapter_5/valid/extra_credit/bitwise_shiftl_variable.c": {"return_code": 24}, "chapter_5/valid/extra_credit/compound_bitwise_and.c": {"return_code": 2}, "chapter_5/valid/extra_credit/compound_minus.c": {"return_code": 2}, "chapter_5/valid/extra_credit/compound_multiply.c": {"return_code": 12}, "chapter_5/valid/extra_credit/compound_bitwise_xor.c": {"return_code": 2}, "chapter_5/valid/extra_credit/compound_bitwise_or.c": {"return_code": 31}, "chapter_5/valid/extra_credit/compound_assignment_chained.c": {"return_code": 4}, "chapter_5/valid/extra_credit/compound_divide.c": {"return_code": 2}, "chapter_5/valid/extra_credit/compound_bitwise_shiftr.c": {"return_code": 102}, "chapter_5/valid/extra_credit/compound_assignment_use_result.c": {"return_code": 8}, "chapter_5/valid/extra_credit/compound_bitwise_shiftl.c": {"return_code": 48}, "chapter_5/valid/extra_credit/compound_plus.c": {"return_code": 4}, "chapter_5/valid/extra_credit/compound_mod.c": {"return_code": 2}, "chapter_5/valid/extra_credit/bitwise_and_vars.c": {"return_code": 1}, "chapter_7/valid/declaration_only.c": {"return_code": 1}, "chapter_7/valid/assign_to_self_2.c": {"return_code": 3}, "chapter_7/valid/hidden_then_visible.c": {"return_code": 1}, "chapter_7/valid/hidden_variable.c": {"return_code": 1}, "chapter_7/valid/assign_to_self.c": {"return_code": 4}, "chapter_7/valid/inner_uninitialized.c": {"return_code": 4}, "chapter_7/valid/multiple_vars_same_name.c": {"return_code": 2}, "chapter_7/valid/use_in_inner_scope.c": {"return_code": 3}, "chapter_7/valid/empty_blocks.c": {"return_code": 30}, "chapter_7/valid/nested_if.c": {"return_code": 1}, "chapter_7/valid/similar_var_names.c": {"return_code": 28}, "chapter_7/valid/extra_credit/goto_before_declaration.c": {"return_code": 0}, "chapter_7/valid/extra_credit/compound_subtract_in_block.c": {"return_code": 1}, "chapter_7/valid/extra_credit/goto_inner_scope.c": {"return_code": 1}, "chapter_4/valid/le_true.c": {"return_code": 2}, "chapter_4/valid/ne_true.c": {"return_code": 1}, "chapter_4/valid/ge_false.c": {"return_code": 0}, "chapter_4/valid/not_zero.c": {"return_code": 1}, "chapter_4/valid/precedence_2.c": {"return_code": 0}, "chapter_4/valid/ge_true.c": {"return_code": 2}, "chapter_4/valid/eq_precedence.c": {"return_code": 1}, "chapter_4/valid/eq_false.c": {"return_code": 0}, "chapter_4/valid/or_short_circuit.c": {"return_code": 1}, "chapter_4/valid/not_sum.c": {"return_code": 1}, "chapter_4/valid/precedence_4.c": {"return_code": 1}, "chapter_4/valid/and_short_circuit.c": {"return_code": 0}, "chapter_4/valid/precedence_3.c": {"return_code": 0}, "chapter_4/valid/compare_arithmetic_results.c": {"return_code": 1}, "chapter_4/valid/and_false.c": {"return_code": 0}, "chapter_4/valid/precedence_5.c": {"return_code": 1}, "chapter_4/valid/associativity.c": {"return_code": 1}, "chapter_4/valid/gt_true.c": {"return_code": 1}, "chapter_4/valid/lt_false.c": {"return_code": 0}, "chapter_4/valid/or_true.c": {"return_code": 3}, "chapter_4/valid/or_false.c": {"return_code": 0}, "chapter_4/valid/eq_true.c": {"return_code": 1}, "chapter_4/valid/ne_false.c": {"return_code": 0}, "chapter_4/valid/multi_short_circuit.c": {"return_code": 0}, "chapter_4/valid/gt_false.c": {"return_code": 0}, "chapter_4/valid/operate_on_booleans.c": {"return_code": 0}, "chapter_4/valid/not.c": {"return_code": 0}, "chapter_4/valid/le_false.c": {"return_code": 0}, "chapter_4/valid/nested_ops.c": {"return_code": 0}, "chapter_4/valid/precedence.c": {"return_code": 1}, "chapter_4/valid/not_sum_2.c": {"return_code": 0}, "chapter_4/valid/and_true.c": {"return_code": 1}, "chapter_4/valid/lt_true.c": {"return_code": 1}, "chapter_4/valid/extra_credit/bitwise_precedence.c": {"return_code": 1}, "chapter_3/valid/mod.c": {"return_code": 0}, "chapter_3/valid/unop_add.c": {"return_code": 0}, "chapter_3/valid/associativity_3.c": {"return_code": 8}, "chapter_3/valid/mult.c": {"return_code": 6}, "chapter_3/valid/sub.c": {"return_code": 255}, "chapter_3/valid/div_neg.c": {"return_code": 254}, "chapter_3/valid/unop_parens.c": {"return_code": 253}, "chapter_3/valid/add.c": {"return_code": 3}, "chapter_3/valid/associativity.c": {"return_code": 252}, "chapter_3/valid/associativity_2.c": {"return_code": 1}, "chapter_3/valid/div.c": {"return_code": 2}, "chapter_3/valid/sub_neg.c": {"return_code": 3}, "chapter_3/valid/associativity_and_precedence.c": {"return_code": 10}, "chapter_3/valid/parens.c": {"return_code": 14}, "chapter_3/valid/precedence.c": {"return_code": 14}, "chapter_3/valid/extra_credit/bitwise_shiftr.c": {"return_code": 62}, "chapter_3/valid/extra_credit/bitwise_and.c": {"return_code": 1}, "chapter_3/valid/extra_credit/bitwise_shiftl.c": {"return_code": 140}, "chapter_3/valid/extra_credit/bitwise_or.c": {"return_code": 3}, "chapter_3/valid/extra_credit/bitwise_shift_precedence.c": {"return_code": 0}, "chapter_3/valid/extra_credit/bitwise_xor.c": {"return_code": 6}, "chapter_3/valid/extra_credit/bitwise_shift_associativity_2.c": {"return_code": 16}, "chapter_3/valid/extra_credit/bitwise_shift_associativity.c": {"return_code": 66}, "chapter_3/valid/extra_credit/bitwise_precedence.c": {"return_code": 21}, "chapter_11/valid/long_expressions/long_args.c": {"return_code": 0}, "chapter_11/valid/long_expressions/logical.c": {"return_code": 0}, "chapter_11/valid/long_expressions/type_specifiers.c": {"return_code": 0}, "chapter_11/valid/long_expressions/multi_op.c": {"return_code": 1}, "chapter_11/valid/long_expressions/large_constants.c": {"return_code": 0}, "chapter_11/valid/long_expressions/arithmetic_ops.c": {"return_code": 0}, "chapter_11/valid/long_expressions/return_long.c": {"return_code": 1}, "chapter_11/valid/long_expressions/comparisons.c": {"return_code": 0}, "chapter_11/valid/long_expressions/simple.c": {"return_code": 1}, "chapter_11/valid/long_expressions/static_long.c": {"return_code": 1}, "chapter_11/valid/long_expressions/long_and_int_locals.c": {"return_code": 0}, "chapter_11/valid/long_expressions/assign.c": {"return_code": 1}, "chapter_11/valid/libraries/long_args.c": {"return_code": 0}, "chapter_11/valid/libraries/maintain_stack_alignment.c": {"return_code": 12}, "chapter_11/valid/libraries/return_long.c": {"return_code": 1}, "chapter_11/valid/libraries/long_global_var.c": {"return_code": 0}, "chapter_11/valid/explicit_casts/truncate.c": {"return_code": 0}, "chapter_11/valid/explicit_casts/sign_extend.c": {"return_code": 0}, "chapter_11/valid/implicit_casts/convert_by_assignment.c": {"return_code": 0}, "chapter_11/valid/implicit_casts/common_type.c": {"return_code": 0}, "chapter_11/valid/implicit_casts/long_constants.c": {"return_code": 0}, "chapter_11/valid/implicit_casts/convert_function_arguments.c": {"return_code": 0}, "chapter_11/valid/implicit_casts/convert_static_initializer.c": {"return_code": 0}, "chapter_11/valid/extra_credit/bitwise_long_op.c": {"return_code": 1}, "chapter_11/valid/extra_credit/compound_assign_to_int.c": {"return_code": 1}, "chapter_11/valid/extra_credit/compound_assign_to_long.c": {"return_code": 1}, "chapter_11/valid/extra_credit/switch_int.c": {"return_code": 1}, "chapter_11/valid/extra_credit/switch_long.c": {"return_code": 1}, "chapter_19/whole_pipeline/all_types/alias_analysis_change.c": {"return_code": 0}, "chapter_19/whole_pipeline/int_only/dead_condition.c": {"return_code": 10}, "chapter_19/whole_pipeline/int_only/elim_and_copy_prop.c": {"return_code": 10}, "chapter_19/whole_pipeline/int_only/remainder_test.c": {"return_code": 1}, "chapter_19/dead_store_elimination/all_types/aliased_dead_at_exit.c": {"return_code": 1}, "chapter_19/dead_store_elimination/all_types/getaddr_doesnt_gen.c": {"return_code": 0}, "chapter_19/dead_store_elimination/all_types/copy_to_dead_struct.c": {"return_code": 4}, "chapter_19/dead_store_elimination/all_types/dont_elim/copytooffset_doesnt_kill.c": {"return_code": 101}, "chapter_19/dead_store_elimination/all_types/dont_elim/store_generates_dst.c": {"return_code": 4}, "chapter_19/dead_store_elimination/all_types/dont_elim/load_generates_pointer.c": {"return_code": 10}, "chapter_19/dead_store_elimination/all_types/dont_elim/load_through_pointer.c": {"return_code": 10}, "chapter_19/dead_store_elimination/all_types/dont_elim/pass_pointer_to_fun.c": {"return_code": 5}, "chapter_19/dead_store_elimination/all_types/dont_elim/never_kill_store.c": {"return_code": 4}, "chapter_19/dead_store_elimination/all_types/dont_elim/copyfromoffset_gen.c": {"return_code": 3}, "chapter_19/dead_store_elimination/int_only/fig_19_12.c": {"return_code": 9}, "chapter_19/dead_store_elimination/int_only/use_and_kill.c": {"return_code": 5}, "chapter_19/dead_store_elimination/int_only/dead_store_static_var.c": {"return_code": 1}, "chapter_19/dead_store_elimination/int_only/loop_dead_store.c": {"return_code": 51}, "chapter_19/dead_store_elimination/int_only/simple.c": {"return_code": 3}, "chapter_19/dead_store_elimination/int_only/elim_second_copy.c": {"return_code": 10}, "chapter_19/dead_store_elimination/int_only/dont_elim/static_vars_at_exit.c": {"return_code": 1}, "chapter_19/dead_store_elimination/int_only/dont_elim/used_one_path.c": {"return_code": 40}, "chapter_19/dead_store_elimination/int_only/dont_elim/dont_remove_funcall.c": {"return_code": 0, "stdout": "C"}, "chapter_19/dead_store_elimination/int_only/dont_elim/add_all_to_worklist.c": {"return_code": 0, "stdout": "L"}, "chapter_19/dead_store_elimination/int_only/dont_elim/loop.c": {"return_code": 54}, "chapter_19/dead_store_elimination/int_only/dont_elim/static_vars_fun.c": {"return_code": 5}, "chapter_19/unreachable_code_elimination/remove_useless_starting_label.c": {"return_code": 99}, "chapter_19/unreachable_code_elimination/dead_for_loop.c": {"return_code": 10}, "chapter_19/unreachable_code_elimination/remove_jnz.c": {"return_code": 1}, "chapter_19/unreachable_code_elimination/dead_branch_inside_loop.c": {"return_code": 19}, "chapter_19/unreachable_code_elimination/empty.c": {"return_code": 0}, "chapter_19/unreachable_code_elimination/constant_if_else.c": {"return_code": 45}, "chapter_19/unreachable_code_elimination/loop_in_dead_branch.c": {"return_code": 0}, "chapter_19/unreachable_code_elimination/dead_after_return.c": {"return_code": 2}, "chapter_19/unreachable_code_elimination/empty_block.c": {"return_code": 1}, "chapter_19/unreachable_code_elimination/dead_after_if_else.c": {"return_code": 1}, "chapter_19/unreachable_code_elimination/dont_elim/keep_final_jump.c": {"return_code": 0}, "chapter_19/constant_folding/all_types/fold_cast_to_double.c": {"return_code": 0}, "chapter_19/constant_folding/all_types/fold_ulong.c": {"return_code": 0}, "chapter_19/constant_folding/all_types/fold_double.c": {"return_code": 0}, "chapter_19/constant_folding/all_types/fold_long.c": {"return_code": 0}, "chapter_19/constant_folding/all_types/fold_uint.c": {"return_code": 0}, "chapter_19/constant_folding/all_types/fold_cast_from_double.c": {"return_code": 0}, "chapter_19/constant_folding/all_types/truncate.c": {"return_code": 0}, "chapter_19/constant_folding/all_types/zero_and_sign_extend.c": {"return_code": 0}, "chapter_19/constant_folding/int_only/fold_divide_by_zero.c": {"return_code": 1}, "chapter_19/constant_folding/int_only/fold_unary.c": {"return_code": 0}, "chapter_19/constant_folding/int_only/fold_dead_branch.c": {"return_code": 0}, "chapter_19/constant_folding/int_only/fold_conditional_jump.c": {"return_code": 0}, "chapter_19/constant_folding/int_only/fold_comparisons.c": {"return_code": 0}, "chapter_19/constant_folding/int_only/fold_arithmetic.c": {"return_code": 0}, "chapter_19/constant_folding/int_only/fold_overflow.c": {"return_code": 0}, "chapter_19/copy_propagation/all_types/pointer_arithmetic.c": {"return_code": 2}, "chapter_19/copy_propagation/all_types/store_doesnt_kill.c": {"return_code": 1}, "chapter_19/copy_propagation/all_types/unsigned_wraparound.c": {"return_code": 1}, "chapter_19/copy_propagation/all_types/propagate_doubles.c": {"return_code": 1}, "chapter_19/copy_propagation/all_types/unsigned_compare.c": {"return_code": 1}, "chapter_19/copy_propagation/all_types/signed_unsigned_conversion.c": {"return_code": 1}, "chapter_19/copy_propagation/all_types/char_type_conversion.c": {"return_code": 1}, "chapter_19/copy_propagation/all_types/not_char.c": {"return_code": 1}, "chapter_19/copy_propagation/all_types/char_round_trip_2.c": {"return_code": 1}, "chapter_19/copy_propagation/all_types/alias_analysis.c": {"return_code": 24}, "chapter_19/copy_propagation/all_types/const_fold_sign_extend.c": {"return_code": 1}, "chapter_19/copy_propagation/all_types/copy_struct.c": {"return_code": 6}, "chapter_19/copy_propagation/all_types/propagate_null_pointer.c": {"return_code": 1}, "chapter_19/copy_propagation/all_types/char_round_trip.c": {"return_code": 1}, "chapter_19/copy_propagation/all_types/const_fold_type_conversions.c": {"return_code": 1}, "chapter_19/copy_propagation/all_types/const_fold_sign_extend_2.c": {"return_code": 1}, "chapter_19/copy_propagation/all_types/dont_propagate/static_are_aliased.c": {"return_code": 8}, "chapter_19/copy_propagation/all_types/dont_propagate/store_kills_aliased.c": {"return_code": 0}, "chapter_19/copy_propagation/all_types/dont_propagate/copy_to_offset.c": {"return_code": 3}, "chapter_19/copy_propagation/all_types/dont_propagate/dont_propagate_addr_of.c": {"return_code": 0}, "chapter_19/copy_propagation/all_types/dont_propagate/type_conversion.c": {"return_code": 1}, "chapter_19/copy_propagation/all_types/dont_propagate/zero_neg_zero_different.c": {"return_code": 1}, "chapter_19/copy_propagation/all_types/dont_propagate/funcall_kills_aliased.c": {"return_code": 2}, "chapter_19/copy_propagation/int_only/propagate_fun_args.c": {"return_code": 220}, "chapter_19/copy_propagation/int_only/killed_then_redefined.c": {"return_code": 2}, "chapter_19/copy_propagation/int_only/redundant_copies_2.c": {"return_code": 10}, "chapter_19/copy_propagation/int_only/multi_path_no_kill.c": {"return_code": 1}, "chapter_19/copy_propagation/int_only/redundant_copies.c": {"return_code": 10}, "chapter_19/copy_propagation/int_only/fig_19_8.c": {"return_code": 1}, "chapter_19/copy_propagation/int_only/kill_and_add_copies.c": {"return_code": 14}, "chapter_19/copy_propagation/int_only/multi_instance_same_copy.c": {"return_code": 1}, "chapter_19/copy_propagation/int_only/init_all_copies.c": {"return_code": 1}, "chapter_19/copy_propagation/int_only/complex_const_fold.c": {"return_code": 1}, "chapter_19/copy_propagation/int_only/copy_prop_const_fold.c": {"return_code": 6}, "chapter_19/copy_propagation/int_only/prop_static_var.c": {"return_code": 1}, "chapter_19/copy_propagation/int_only/propagate_var.c": {"return_code": 6}, "chapter_19/copy_propagation/int_only/multi_path.c": {"return_code": 6}, "chapter_19/copy_propagation/int_only/loop.c": {"return_code": 1}, "chapter_19/copy_propagation/int_only/dont_propagate/source_killed_on_one_path.c": {"return_code": 8}, "chapter_19/copy_propagation/int_only/dont_propagate/one_reaching_copy.c": {"return_code": 3}, "chapter_19/copy_propagation/int_only/dont_propagate/listing_20_15.c": {"return_code": 101}, "chapter_19/copy_propagation/int_only/dont_propagate/dest_killed.c": {"return_code": 4}, "chapter_19/copy_propagation/int_only/dont_propagate/no_copies_reach_entry.c": {"return_code": 4}, "chapter_19/copy_propagation/int_only/dont_propagate/add_all_blocks_to_worklist.c": {"return_code": 4}, "chapter_19/copy_propagation/int_only/dont_propagate/multi_values.c": {"return_code": 7}, "chapter_19/copy_propagation/int_only/dont_propagate/static_dst_killed.c": {"return_code": 4}, "chapter_19/copy_propagation/int_only/dont_propagate/static_src_killed.c": {"return_code": 1}, "chapter_19/copy_propagation/int_only/dont_propagate/source_killed.c": {"return_code": 10}, "chapter_20/all_types/no_coalescing/mixed_ints.c": {"return_code": 9}, "chapter_20/all_types/no_coalescing/dbl_trivially_colorable.c": {"return_code": 3}, "chapter_20/all_types/no_coalescing/spill_movz_dst.c": {"return_code": 29}, "chapter_20/all_types/no_coalescing/push_xmm.c": {"return_code": 1}, "chapter_20/all_types/no_coalescing/dbl_fun_call.c": {"return_code": 1}, "chapter_20/all_types/no_coalescing/stack_alignment.c": {"return_code": 1}, "chapter_20/all_types/no_coalescing/track_dbl_arg_registers.c": {"return_code": 1}, "chapter_20/all_types/no_coalescing/fourteen_pseudos_interfere.c": {"return_code": 0}, "chapter_20/all_types/no_coalescing/div_interference.c": {"return_code": 1}, "chapter_20/all_types/no_coalescing/test_spilling_dbls.c": {"return_code": 3}, "chapter_20/all_types/no_coalescing/store_pointer_in_register.c": {"return_code": 0}, "chapter_20/int_only/no_coalescing/same_instr_interference.c": {"return_code": 6}, "chapter_20/int_only/no_coalescing/spills_rewrites_compare.c": {"return_code": 3}, "chapter_20/int_only/no_coalescing/copy_and_separate_interference.c": {"return_code": 1}, "chapter_20/int_only/no_coalescing/spills_and_rewrites.c": {"return_code": 23}, "chapter_20/int_only/no_coalescing/cmp_liveness.c": {"return_code": 1}, "chapter_20/int_only/no_coalescing/rewrite_large_multiply.c": {"return_code": 58}, "chapter_20/int_only/no_coalescing/spill_callee_saved.c": {"return_code": 1}, "chapter_20/int_only/no_coalescing/test_spill_metric.c": {"return_code": 1}, "chapter_20/int_only/no_coalescing/unary_interference.c": {"return_code": 10}, "chapter_20/int_only/no_coalescing/optimistic_coloring.c": {"return_code": 0}, "chapter_20/int_only/no_coalescing/track_arg_registers.c": {"return_code": 1}, "chapter_20/int_only/no_coalescing/many_pseudos_fewer_conflicts.c": {"return_code": 0}, "chapter_20/int_only/no_coalescing/same_instr_no_interference.c": {"return_code": 1}, "chapter_20/int_only/no_coalescing/copy_no_interference.c": {"return_code": 1}, "chapter_20/int_only/no_coalescing/force_spill.c": {"return_code": 9}, "chapter_20/int_only/no_coalescing/callee_saved_stack_alignment.c": {"return_code": 1}, "chapter_20/int_only/no_coalescing/idiv_interference.c": {"return_code": 1}, "chapter_20/int_only/no_coalescing/preserve_across_fun_call.c": {"return_code": 0}, "chapter_20/int_only/no_coalescing/use_all_hardregs.c": {"return_code": 0}, "chapter_20/int_only/no_coalescing/test_spill_metric_2.c": {"return_code": 1}, "chapter_20/int_only/no_coalescing/loop.c": {"return_code": 6}, "chapter_20/int_only/no_coalescing/trivially_colorable.c": {"return_code": 1}, "chapter_20/int_only/no_coalescing/cdq_interference.c": {"return_code": 0}, "chapter_20/int_only/with_coalescing/cdq_generates_ax.c": {"return_code": 0}, "chapter_20/int_only/with_coalescing/callee_saved_live_at_exit.c": {"return_code": 0}, "chapter_20/int_only/with_coalescing/coalesce_prevents_spill.c": {"return_code": 0}, "chapter_20/int_only/with_coalescing/george_coalesce.c": {"return_code": 1}, "chapter_20/int_only/with_coalescing/unary_generates_dst.c": {"return_code": 0}, "chapter_20/int_only/with_coalescing/briggs_coalesce.c": {"return_code": 2}, "chapter_20/int_only/with_coalescing/bin_generates_dst.c": {"return_code": 187}, "chapter_20/int_only/with_coalescing/briggs_coalesce_tmps.c": {"return_code": 1}, "chapter_20/int_only/with_coalescing/cmp_generates_operands.c": {"return_code": 1}, "chapter_20/int_only/with_coalescing/funcall_generates_args.c": {"return_code": 0}, "chapter_20/int_only/with_coalescing/eax_live_at_exit.c": {"return_code": 1}, "chapter_18/valid/no_structure_parameters/semantic_analysis/resolve_tags.c": {"return_code": 0}, "chapter_18/valid/no_structure_parameters/semantic_analysis/namespaces.c": {"return_code": 0}, "chapter_18/valid/no_structure_parameters/semantic_analysis/incomplete_structs.c": {"return_code": 0, "stdout": "I'm a struct!\n"}, "chapter_18/valid/no_structure_parameters/semantic_analysis/cast_struct_to_void.c": {"return_code": 0}, "chapter_18/valid/no_structure_parameters/libraries/param_struct_pointer.c": {"return_code": 0}, "chapter_18/valid/no_structure_parameters/libraries/return_struct_pointer.c": {"return_code": 0}, "chapter_18/valid/no_structure_parameters/libraries/opaque_struct.c": {"return_code": 0, "stdout": "new struct\nstatic struct\nglobal struct\n"}, "chapter_18/valid/no_structure_parameters/libraries/array_of_structs.c": {"return_code": 0}, "chapter_18/valid/no_structure_parameters/libraries/initializers/auto_struct_initializers.c": {"return_code": 0}, "chapter_18/valid/no_structure_parameters/libraries/initializers/static_struct_initializers.c": {"return_code": 0}, "chapter_18/valid/no_structure_parameters/libraries/initializers/nested_static_struct_initializers.c": {"return_code": 0}, "chapter_18/valid/no_structure_parameters/libraries/initializers/nested_auto_struct_initializers.c": {"return_code": 0}, "chapter_18/valid/no_structure_parameters/smoke_tests/static_vs_auto.c": {"return_code": 0}, "chapter_18/valid/no_structure_parameters/smoke_tests/simple.c": {"return_code": 0}, "chapter_18/valid/no_structure_parameters/size_and_offset_calculations/member_offsets.c": {"return_code": 0}, "chapter_18/valid/no_structure_parameters/size_and_offset_calculations/sizeof_exps.c": {"return_code": 0}, "chapter_18/valid/no_structure_parameters/size_and_offset_calculations/sizeof_type.c": {"return_code": 0}, "chapter_18/valid/no_structure_parameters/scalar_member_access/arrow.c": {"return_code": 0}, "chapter_18/valid/no_structure_parameters/scalar_member_access/linked_list.c": {"return_code": 0}, "chapter_18/valid/no_structure_parameters/scalar_member_access/static_structs.c": {"return_code": 0, "stdout": "zero\nmn\nop\nwx\nyz\nBCD\nCDE\nDEF\nEFG\nbcd\ncde\n"}, "chapter_18/valid/no_structure_parameters/scalar_member_access/nested_struct.c": {"return_code": 0}, "chapter_18/valid/no_structure_parameters/scalar_member_access/dot.c": {"return_code": 0}, "chapter_18/valid/no_structure_parameters/parse_and_lex/trailing_comma.c": {"return_code": 0}, "chapter_18/valid/no_structure_parameters/struct_copy/load_test.c": {"return_code": 0}, "chapter_18/valid/no_structure_parameters/struct_copy/copy_struct_through_pointer.c": {"return_code": 0}, "chapter_18/valid/no_structure_parameters/struct_copy/copy_struct_with_arrow_operator.c": {"return_code": 0}, "chapter_18/valid/no_structure_parameters/struct_copy/copy_struct.c": {"return_code": 0}, "chapter_18/valid/no_structure_parameters/struct_copy/copy_struct_with_dot_operator.c": {"return_code": 0}, "chapter_18/valid/parameters/simple.c": {"return_code": 0}, "chapter_18/valid/parameters/stack_clobber.c": {"return_code": 0}, "chapter_18/valid/parameters/libraries/modify_param.c": {"return_code": 0}, "chapter_18/valid/parameters/libraries/classify_params.c": {"return_code": 0}, "chapter_18/valid/params_and_returns/ignore_retval.c": {"return_code": 0}, "chapter_18/valid/params_and_returns/return_space_overlap.c": {"return_code": 0}, "chapter_18/valid/params_and_returns/return_big_struct_on_page_boundary.c": {"return_code": 0}, "chapter_18/valid/params_and_returns/simple.c": {"return_code": 0}, "chapter_18/valid/params_and_returns/stack_clobber.c": {"return_code": 0}, "chapter_18/valid/params_and_returns/libraries/access_retval_members.c": {"return_code": 0}, "chapter_18/valid/no_structure_parameters/struct_copy/stack_clobber.c": {"return_code": 0}, "chapter_19/unreachable_code_elimination/keep_final_jump.c": {"return_code": 17}, "chapter_19/unreachable_code_elimination/remove_jump_keep_label.c": {"return_code": 10}, "chapter_19/unreachable_code_elimination/dead_blocks_with_predecessors.c": {"return_code": 5}, "chapter_19/unreachable_code_elimination/remove_conditional_jumps.c": {"return_code": 1}, "chapter_19/constant_folding/all_types/fold_truncate.c": {"return_code": 0}, "chapter_19/constant_folding/all_types/fold_extensions_and_copies.c": {"return_code": 0}, "chapter_19/constant_folding/int_only/fold_binary.c": {"return_code": 0}, "chapter_19/constant_folding/int_only/fold_control_flow.c": {"return_code": 0}, "chapter_19/constant_folding/int_only/fold_exception.c": {"return_code": 0}}
\ No newline at end of file
+{"chapter_6/valid/rh_assignment.c": {"return_code": 1}, "chapter_6/valid/if_nested_2.c": {"return_code": 2}, "chapter_6/valid/if_nested_3.c": {"return_code": 3}, "chapter_6/valid/nested_ternary.c": {"return_code": 7}, "chapter_6/valid/binary_false_condition.c": {"return_code": 0}, "chapter_6/valid/else.c": {"return_code": 2}, "chapter_6/valid/nested_ternary_2.c": {"return_code": 15}, "chapter_6/valid/ternary_short_circuit.c": {"return_code": 1}, "chapter_6/valid/multiple_if.c": {"return_code": 8}, "chapter_6/valid/if_null_body.c": {"return_code": 1}, "chapter_6/valid/ternary_rh_binop.c": {"return_code": 1}, "chapter_6/valid/ternary_middle_assignment.c": {"return_code": 2}, "chapter_6/valid/if_nested_4.c": {"return_code": 4}, "chapter_6/valid/ternary_middle_binop.c": {"return_code": 1}, "chapter_6/valid/if_taken.c": {"return_code": 1}, "chapter_6/valid/if_not_taken.c": {"return_code": 0}, "chapter_6/valid/if_nested_5.c": {"return_code": 1}, "chapter_6/valid/assign_ternary.c": {"return_code": 2}, "chapter_6/valid/ternary.c": {"return_code": 4}, "chapter_6/valid/if_nested.c": {"return_code": 1}, "chapter_6/valid/ternary_short_circuit_2.c": {"return_code": 2}, "chapter_6/valid/binary_condition.c": {"return_code": 5}, "chapter_6/valid/extra_credit/goto_label_and_var.c": {"return_code": 5}, "chapter_6/valid/extra_credit/goto_label_main_2.c": {"return_code": 0}, "chapter_6/valid/extra_credit/bitwise_ternary.c": {"return_code": 5}, "chapter_6/valid/extra_credit/goto_label_main.c": {"return_code": 0}, "chapter_6/valid/extra_credit/goto_nested_label.c": {"return_code": 5}, "chapter_6/valid/extra_credit/goto_backwards.c": {"return_code": 5}, "chapter_6/valid/extra_credit/goto_label.c": {"return_code": 1}, "chapter_6/valid/extra_credit/compound_if_expression.c": {"return_code": 1}, "chapter_6/valid/extra_credit/goto_after_declaration.c": {"return_code": 1}, "chapter_8/valid/for.c": {"return_code": 16}, "chapter_8/valid/continue.c": {"return_code": 1}, "chapter_8/valid/multi_continue_same_loop.c": {"return_code": 1}, "chapter_8/valid/for_absent_post.c": {"return_code": 0}, "chapter_8/valid/null_for_header.c": {"return_code": 4}, "chapter_8/valid/nested_loop.c": {"return_code": 1}, "chapter_8/valid/nested_break.c": {"return_code": 250}, "chapter_8/valid/do_while.c": {"return_code": 16}, "chapter_8/valid/for_absent_condition.c": {"return_code": 0}, "chapter_8/valid/do_while_break_immediate.c": {"return_code": 10}, "chapter_8/valid/continue_empty_post.c": {"return_code": 30}, "chapter_8/valid/nested_continue.c": {"return_code": 24}, "chapter_8/valid/break.c": {"return_code": 1}, "chapter_8/valid/for_nested_shadow.c": {"return_code": 1}, "chapter_8/valid/empty_expression.c": {"return_code": 0}, "chapter_8/valid/multi_break.c": {"return_code": 1}, "chapter_8/valid/for_decl.c": {"return_code": 101}, "chapter_8/valid/for_shadow.c": {"return_code": 1}, "chapter_8/valid/break_immediate.c": {"return_code": 1}, "chapter_8/valid/while.c": {"return_code": 6}, "chapter_8/valid/empty_loop_body.c": {"return_code": 252}, "chapter_8/valid/extra_credit/switch_fallthrough.c": {"return_code": 4}, "chapter_8/valid/extra_credit/compound_assignment_for_loop.c": {"return_code": 10}, "chapter_8/valid/extra_credit/switch_break.c": {"return_code": 5}, "chapter_8/valid/extra_credit/switch_default.c": {"return_code": 22}, "chapter_8/valid/extra_credit/switch_default_fallthrough.c": {"return_code": 0}, "chapter_8/valid/extra_credit/switch_with_loop.c": {"return_code": 123}, "chapter_8/valid/extra_credit/switch_assign_in_body.c": {"return_code": 3}, "chapter_8/valid/extra_credit/switch_in_loop.c": {"return_code": 1}, "chapter_8/valid/extra_credit/switch_no_case.c": {"return_code": 4}, "chapter_8/valid/extra_credit/switch_nested_case.c": {"return_code": 3}, "chapter_8/valid/extra_credit/switch_nested_not_taken.c": {"return_code": 2}, "chapter_8/valid/extra_credit/switch_decl.c": {"return_code": 7}, "chapter_8/valid/extra_credit/switch_with_continue.c": {"return_code": 5}, "chapter_8/valid/extra_credit/switch_empty.c": {"return_code": 10}, "chapter_8/valid/extra_credit/goto_loop_body.c": {"return_code": 1}, "chapter_8/valid/extra_credit/goto_bypass_condition.c": {"return_code": 10}, "chapter_8/valid/extra_credit/switch_nested_switch.c": {"return_code": 1}, "chapter_8/valid/extra_credit/switch_block.c": {"return_code": 1}, "chapter_8/valid/extra_credit/switch_default_not_last.c": {"return_code": 0}, "chapter_8/valid/extra_credit/switch_assign_in_condition.c": {"return_code": 2}, "chapter_8/valid/extra_credit/switch.c": {"return_code": 3}, "chapter_8/valid/extra_credit/switch_goto_mid_case.c": {"return_code": 1}, "chapter_14/valid/libraries/static_pointer.c": {"return_code": 0}, "chapter_14/valid/libraries/global_pointer.c": {"return_code": 1}, "chapter_14/valid/function_calls/address_of_argument.c": {"return_code": 0}, "chapter_14/valid/function_calls/update_value_through_pointer_parameter.c": {"return_code": 0}, "chapter_14/valid/function_calls/return_pointer.c": {"return_code": 0}, "chapter_14/valid/extra_credit/incr_through_pointer.c": {"return_code": 11}, "chapter_14/valid/extra_credit/compound_assign_through_pointer.c": {"return_code": 1}, "chapter_14/valid/declarators/declare_pointer_in_for_loop.c": {"return_code": 5}, "chapter_14/valid/declarators/abstract_declarators.c": {"return_code": 0}, "chapter_14/valid/declarators/declarators.c": {"return_code": 0}, "chapter_14/valid/dereference/static_var_indirection.c": {"return_code": 0}, "chapter_14/valid/dereference/multilevel_indirection.c": {"return_code": 0}, "chapter_14/valid/dereference/read_through_pointers.c": {"return_code": 0}, "chapter_14/valid/dereference/update_through_pointers.c": {"return_code": 0}, "chapter_14/valid/dereference/address_of_dereference.c": {"return_code": 0}, "chapter_14/valid/dereference/simple.c": {"return_code": 3}, "chapter_14/valid/dereference/dereference_expression_result.c": {"return_code": 0}, "chapter_14/valid/casts/cast_between_pointer_types.c": {"return_code": 0}, "chapter_14/valid/casts/pointer_int_casts.c": {"return_code": 0}, "chapter_14/valid/casts/null_pointer_conversion.c": {"return_code": 0}, "chapter_14/valid/comparisons/compare_pointers.c": {"return_code": 0}, "chapter_14/valid/comparisons/pointers_as_conditions.c": {"return_code": 0}, "chapter_14/valid/comparisons/compare_to_null.c": {"return_code": 0}, "chapter_10/valid/static_then_extern.c": {"return_code": 3}, "chapter_10/valid/push_arg_on_page_boundary.c": {"return_code": 1}, "chapter_10/valid/static_local_multiple_scopes.c": {"return_code": 0, "stdout": "Aa\nBb\nCc\nDd\nEe\nFf\nGg\nHh\nIi\nJj\nKk\nLl\nMm\nNn\nOo\nPp\nQq\nRr\nSs\nTt\nUu\nVv\nWw\nXx\nYy\nZz\n"}, "chapter_10/valid/tentative_definition.c": {"return_code": 5}, "chapter_10/valid/static_variables_in_expressions.c": {"return_code": 0}, "chapter_10/valid/static_recursive_call.c": {"return_code": 0, "stdout": "ABCDEFGHIJKLMNOPQRSTUVWXYZ"}, "chapter_10/valid/shadow_static_local_var.c": {"return_code": 0}, "chapter_10/valid/multiple_static_local.c": {"return_code": 29}, "chapter_10/valid/multiple_static_file_scope_vars.c": {"return_code": 4}, "chapter_10/valid/static_local_uninitialized.c": {"return_code": 4}, "chapter_10/valid/type_before_storage_class.c": {"return_code": 7}, "chapter_10/valid/extern_block_scope_variable.c": {"return_code": 3}, "chapter_10/valid/distinct_local_and_extern.c": {"return_code": 7}, "chapter_10/valid/libraries/internal_hides_external_linkage.c": {"return_code": 0}, "chapter_10/valid/libraries/external_tentative_var.c": {"return_code": 0}, "chapter_10/valid/libraries/external_linkage_function.c": {"return_code": 0}, "chapter_10/valid/libraries/external_variable.c": {"return_code": 0}, "chapter_10/valid/libraries/internal_linkage_var.c": {"return_code": 0}, "chapter_10/valid/libraries/external_var_scoping.c": {"return_code": 0}, "chapter_10/valid/libraries/internal_linkage_function.c": {"return_code": 0}, "chapter_10/valid/extra_credit/goto_skip_static_initializer.c": {"return_code": 10}, "chapter_2/valid/neg.c": {"return_code": 251}, "chapter_2/valid/negate_int_max.c": {"return_code": 1}, "chapter_2/valid/redundant_parens.c": {"return_code": 246}, "chapter_2/valid/neg_zero.c": {"return_code": 0}, "chapter_2/valid/bitwise_int_min.c": {"return_code": 254}, "chapter_2/valid/bitwise_zero.c": {"return_code": 255}, "chapter_2/valid/parens_3.c": {"return_code": 4}, "chapter_2/valid/parens_2.c": {"return_code": 253}, "chapter_2/valid/bitwise.c": {"return_code": 243}, "chapter_2/valid/nested_ops_2.c": {"return_code": 1}, "chapter_2/valid/nested_ops.c": {"return_code": 2}, "chapter_2/valid/parens.c": {"return_code": 254}, "chapter_1/valid/return_0.c": {"return_code": 0}, "chapter_1/valid/newlines.c": {"return_code": 0}, "chapter_1/valid/return_2.c": {"return_code": 2}, "chapter_1/valid/multi_digit.c": {"return_code": 100}, "chapter_1/valid/tabs.c": {"return_code": 0}, "chapter_1/valid/spaces.c": {"return_code": 0}, "chapter_1/valid/no_newlines.c": {"return_code": 0}, "chapter_13/valid/floating_expressions/logical.c": {"return_code": 0}, "chapter_13/valid/floating_expressions/arithmetic_ops.c": {"return_code": 0}, "chapter_13/valid/floating_expressions/static_initialized_double.c": {"return_code": 0}, "chapter_13/valid/floating_expressions/comparisons.c": {"return_code": 0}, "chapter_13/valid/floating_expressions/simple.c": {"return_code": 1}, "chapter_13/valid/floating_expressions/loop_controlling_expression.c": {"return_code": 100}, "chapter_13/valid/libraries/double_parameters.c": {"return_code": 0}, "chapter_13/valid/libraries/use_arg_after_fun_call.c": {"return_code": 4}, "chapter_13/valid/libraries/double_and_int_params_recursive.c": {"return_code": 0}, "chapter_13/valid/libraries/extern_double.c": {"return_code": 1}, "chapter_13/valid/libraries/double_params_and_result.c": {"return_code": 1}, "chapter_13/valid/explicit_casts/cvttsd2i_rewrite.c": {"return_code": 0}, "chapter_13/valid/explicit_casts/double_to_signed.c": {"return_code": 0}, "chapter_13/valid/explicit_casts/unsigned_to_double.c": {"return_code": 0}, "chapter_13/valid/explicit_casts/signed_to_double.c": {"return_code": 0}, "chapter_13/valid/explicit_casts/double_to_unsigned.c": {"return_code": 0}, "chapter_13/valid/implicit_casts/convert_for_assignment.c": {"return_code": 0}, "chapter_13/valid/implicit_casts/common_type.c": {"return_code": 0}, "chapter_13/valid/implicit_casts/static_initializers.c": {"return_code": 0}, "chapter_13/valid/implicit_casts/complex_arithmetic_common_type.c": {"return_code": 1}, "chapter_13/valid/constants/round_constants.c": {"return_code": 0}, "chapter_13/valid/constants/constant_doubles.c": {"return_code": 0}, "chapter_13/valid/special_values/subnormal_not_zero.c": {"return_code": 0}, "chapter_13/valid/special_values/negative_zero.c": {"return_code": 0}, "chapter_13/valid/special_values/infinity.c": {"return_code": 0}, "chapter_13/valid/function_calls/double_parameters.c": {"return_code": 0}, "chapter_13/valid/function_calls/double_and_int_parameters.c": {"return_code": 0}, "chapter_13/valid/function_calls/standard_library_call.c": {"return_code": 0}, "chapter_13/valid/function_calls/use_arg_after_fun_call.c": {"return_code": 4}, "chapter_13/valid/function_calls/return_double.c": {"return_code": 1}, "chapter_13/valid/function_calls/double_and_int_params_recursive.c": {"return_code": 0}, "chapter_13/valid/extra_credit/compound_assign.c": {"return_code": 1}, "chapter_13/valid/extra_credit/nan.c": {"return_code": 0}, "chapter_13/valid/extra_credit/compound_assign_implicit_cast.c": {"return_code": 1}, "chapter_18/valid/params_and_returns/temporary_lifetime.c": {"return_code": 0}, "chapter_18/valid/params_and_returns/ignore_retval.c": {"return_code": 0}, "chapter_18/valid/params_and_returns/return_space_overlap.c": {"return_code": 0}, "chapter_18/valid/params_and_returns/return_big_struct_on_page_boundary.c": {"return_code": 0}, "chapter_18/valid/params_and_returns/simple.c": {"return_code": 0}, "chapter_18/valid/params_and_returns/return_struct_on_page_boundary.c": {"return_code": 0}, "chapter_18/valid/params_and_returns/return_incomplete_type.c": {"return_code": 0}, "chapter_18/valid/params_and_returns/stack_clobber.c": {"return_code": 0}, "chapter_18/valid/params_and_returns/libraries/return_calling_conventions.c": {"return_code": 0}, "chapter_18/valid/params_and_returns/libraries/missing_retval.c": {"return_code": 1}, "chapter_18/valid/params_and_returns/libraries/access_retval_members.c": {"return_code": 0}, "chapter_18/valid/params_and_returns/libraries/retval_struct_sizes.c": {"return_code": 0}, "chapter_18/valid/no_structure_parameters/semantic_analysis/resolve_tags.c": {"return_code": 0}, "chapter_18/valid/no_structure_parameters/semantic_analysis/namespaces.c": {"return_code": 0}, "chapter_18/valid/no_structure_parameters/semantic_analysis/incomplete_structs.c": {"return_code": 0, "stdout": "I'm a struct!\n"}, "chapter_18/valid/no_structure_parameters/semantic_analysis/cast_struct_to_void.c": {"return_code": 0}, "chapter_18/valid/no_structure_parameters/libraries/global_struct.c": {"return_code": 0}, "chapter_18/valid/no_structure_parameters/libraries/param_struct_pointer.c": {"return_code": 0}, "chapter_18/valid/no_structure_parameters/libraries/return_struct_pointer.c": {"return_code": 0}, "chapter_18/valid/no_structure_parameters/libraries/opaque_struct.c": {"return_code": 0, "stdout": "new struct\nstatic struct\nglobal struct\n"}, "chapter_18/valid/no_structure_parameters/libraries/array_of_structs.c": {"return_code": 0}, "chapter_18/valid/no_structure_parameters/libraries/initializers/auto_struct_initializers.c": {"return_code": 0}, "chapter_18/valid/no_structure_parameters/libraries/initializers/static_struct_initializers.c": {"return_code": 0}, "chapter_18/valid/no_structure_parameters/libraries/initializers/nested_static_struct_initializers.c": {"return_code": 0}, "chapter_18/valid/no_structure_parameters/libraries/initializers/nested_auto_struct_initializers.c": {"return_code": 0}, "chapter_18/valid/no_structure_parameters/smoke_tests/static_vs_auto.c": {"return_code": 0}, "chapter_18/valid/no_structure_parameters/smoke_tests/simple.c": {"return_code": 0}, "chapter_18/valid/no_structure_parameters/size_and_offset_calculations/member_offsets.c": {"return_code": 0}, "chapter_18/valid/no_structure_parameters/size_and_offset_calculations/sizeof_exps.c": {"return_code": 0}, "chapter_18/valid/no_structure_parameters/size_and_offset_calculations/sizeof_type.c": {"return_code": 0}, "chapter_18/valid/no_structure_parameters/scalar_member_access/arrow.c": {"return_code": 0}, "chapter_18/valid/no_structure_parameters/scalar_member_access/linked_list.c": {"return_code": 0}, "chapter_18/valid/no_structure_parameters/scalar_member_access/static_structs.c": {"return_code": 0, "stdout": "zero\nmn\nop\nwx\nyz\nBCD\nCDE\nDEF\nEFG\nbcd\ncde\n"}, "chapter_18/valid/no_structure_parameters/scalar_member_access/nested_struct.c": {"return_code": 0}, "chapter_18/valid/no_structure_parameters/scalar_member_access/dot.c": {"return_code": 0}, "chapter_18/valid/no_structure_parameters/parse_and_lex/postfix_precedence.c": {"return_code": 1}, "chapter_18/valid/no_structure_parameters/parse_and_lex/trailing_comma.c": {"return_code": 0}, "chapter_18/valid/no_structure_parameters/parse_and_lex/space_around_struct_member.c": {"return_code": 1}, "chapter_18/valid/no_structure_parameters/parse_and_lex/struct_member_looks_like_const.c": {"return_code": 3}, "chapter_18/valid/no_structure_parameters/struct_copy/copy_struct_through_pointer.c": {"return_code": 0}, "chapter_18/valid/no_structure_parameters/struct_copy/copy_struct_with_arrow_operator.c": {"return_code": 0}, "chapter_18/valid/no_structure_parameters/struct_copy/copy_struct.c": {"return_code": 0}, "chapter_18/valid/no_structure_parameters/struct_copy/stack_clobber.c": {"return_code": 0}, "chapter_18/valid/no_structure_parameters/struct_copy/copy_struct_with_dot_operator.c": {"return_code": 0}, "chapter_18/valid/parameters/pass_args_on_page_boundary.c": {"return_code": 0}, "chapter_18/valid/parameters/incomplete_param_type.c": {"return_code": 3}, "chapter_18/valid/parameters/simple.c": {"return_code": 0}, "chapter_18/valid/parameters/stack_clobber.c": {"return_code": 0}, "chapter_18/valid/parameters/libraries/param_calling_conventions.c": {"return_code": 0}, "chapter_18/valid/parameters/libraries/struct_sizes.c": {"return_code": 0}, "chapter_18/valid/parameters/libraries/pass_struct.c": {"return_code": 0}, "chapter_18/valid/parameters/libraries/modify_param.c": {"return_code": 0}, "chapter_18/valid/parameters/libraries/classify_params.c": {"return_code": 0}, "chapter_15/valid/initialization/automatic.c": {"return_code": 0}, "chapter_15/valid/initialization/static.c": {"return_code": 0}, "chapter_15/valid/initialization/trailing_comma_initializer.c": {"return_code": 3}, "chapter_15/valid/initialization/automatic_nested.c": {"return_code": 0}, "chapter_15/valid/initialization/static_nested.c": {"return_code": 0}, "chapter_15/valid/libraries/set_array_val.c": {"return_code": 0}, "chapter_15/valid/libraries/return_pointer_to_array.c": {"return_code": 0}, "chapter_15/valid/libraries/global_array.c": {"return_code": 0}, "chapter_15/valid/subscripting/subscript_nested.c": {"return_code": 0}, "chapter_15/valid/subscripting/subscript_pointer.c": {"return_code": 0}, "chapter_15/valid/subscripting/array_of_pointers_to_arrays.c": {"return_code": 0}, "chapter_15/valid/subscripting/simple_subscripts.c": {"return_code": 0}, "chapter_15/valid/subscripting/simple.c": {"return_code": 3}, "chapter_15/valid/subscripting/complex_operands.c": {"return_code": 0}, "chapter_15/valid/subscripting/addition_subscript_equivalence.c": {"return_code": 0}, "chapter_15/valid/subscripting/subscript_precedence.c": {"return_code": 1}, "chapter_15/valid/allocation/test_alignment.c": {"return_code": 0}, "chapter_15/valid/pointer_arithmetic/pointer_add.c": {"return_code": 0}, "chapter_15/valid/pointer_arithmetic/add_dereference_and_assign.c": {"return_code": 0}, "chapter_15/valid/pointer_arithmetic/pointer_diff.c": {"return_code": 0}, "chapter_15/valid/pointer_arithmetic/compare.c": {"return_code": 0}, "chapter_15/valid/extra_credit/incr_ptr.c": {"return_code": 1}, "chapter_15/valid/declarators/big_array.c": {"return_code": 0}, "chapter_15/valid/declarators/equivalent_declarators.c": {"return_code": 0}, "chapter_15/valid/declarators/return_nested_array.c": {"return_code": 0}, "chapter_15/valid/declarators/array_as_argument.c": {"return_code": 0}, "chapter_15/valid/declarators/for_loop_array.c": {"return_code": 0}, "chapter_15/valid/casts/multi_dim_casts.c": {"return_code": 0}, "chapter_15/valid/casts/implicit_and_explicit_conversions.c": {"return_code": 0}, "chapter_15/valid/casts/cast_array_of_pointers.c": {"return_code": 1}, "chapter_17/valid/void/cast_to_void.c": {"return_code": 12}, "chapter_17/valid/void/void_function.c": {"return_code": 0}, "chapter_17/valid/void/void_for_loop.c": {"return_code": 0, "stdout": "ZYXWVUTSRQPONMLKJIHGFEDCBAABCDEFGHIJKLMNOPQRSTUVWXYZZYXWVUTSRQPONMLKJIHGFEDCBA"}, "chapter_17/valid/void/ternary.c": {"return_code": 0}, "chapter_17/valid/libraries/pass_alloced_memory.c": {"return_code": 0}, "chapter_17/valid/libraries/test_for_memory_leaks.c": {"return_code": 0}, "chapter_17/valid/libraries/sizeof_extern.c": {"return_code": 1}, "chapter_17/valid/sizeof/sizeof_basic_types.c": {"return_code": 0}, "chapter_17/valid/sizeof/sizeof_consts.c": {"return_code": 0}, "chapter_17/valid/sizeof/sizeof_expressions.c": {"return_code": 0}, "chapter_17/valid/sizeof/sizeof_array.c": {"return_code": 0}, "chapter_17/valid/sizeof/sizeof_derived_types.c": {"return_code": 0}, "chapter_17/valid/sizeof/simple.c": {"return_code": 0}, "chapter_17/valid/sizeof/sizeof_result_is_ulong.c": {"return_code": 0}, "chapter_17/valid/sizeof/sizeof_not_evaluated.c": {"return_code": 4}, "chapter_17/valid/void_pointer/array_of_pointers_to_void.c": {"return_code": 0}, "chapter_17/valid/void_pointer/conversion_by_assignment.c": {"return_code": 0}, "chapter_17/valid/void_pointer/explicit_cast.c": {"return_code": 0}, "chapter_17/valid/void_pointer/simple.c": {"return_code": 100}, "chapter_17/valid/void_pointer/memory_management_functions.c": {"return_code": 0}, "chapter_17/valid/void_pointer/common_pointer_type.c": {"return_code": 0}, "chapter_16/valid/strings_as_lvalues/addr_of_string.c": {"return_code": 0, "stdout": "Sample\tstring!\n\n"}, "chapter_16/valid/strings_as_lvalues/standard_library_calls.c": {"return_code": 0, "stdout": "Hello, World!\n"}, "chapter_16/valid/strings_as_lvalues/array_of_strings.c": {"return_code": 0}, "chapter_16/valid/strings_as_lvalues/cast_string_pointer.c": {"return_code": 0}, "chapter_16/valid/strings_as_lvalues/empty_string.c": {"return_code": 0}, "chapter_16/valid/strings_as_lvalues/pointer_operations.c": {"return_code": 0}, "chapter_16/valid/strings_as_lvalues/simple.c": {"return_code": 108}, "chapter_16/valid/strings_as_lvalues/adjacent_strings.c": {"return_code": 0, "stdout": "Hello, World\n"}, "chapter_16/valid/strings_as_lvalues/string_special_characters.c": {"return_code": 0, "stdout": "Hello\"world\nHello\\World\nLine\nbreak!\nTesting, 123.\n^@1 _\\]\n"}, "chapter_16/valid/strings_as_lvalues/strings_in_function_calls.c": {"return_code": 0}, "chapter_16/valid/libraries/return_char.c": {"return_code": 0}, "chapter_16/valid/libraries/char_arguments.c": {"return_code": 0}, "chapter_16/valid/libraries/global_char.c": {"return_code": 0}, "chapter_16/valid/strings_as_initializers/array_init_special_chars.c": {"return_code": 0}, "chapter_16/valid/strings_as_initializers/terminating_null_bytes.c": {"return_code": 0}, "chapter_16/valid/strings_as_initializers/simple.c": {"return_code": 99}, "chapter_16/valid/strings_as_initializers/partial_initialize_via_string.c": {"return_code": 0}, "chapter_16/valid/strings_as_initializers/adjacent_strings_in_initializer.c": {"return_code": 0}, "chapter_16/valid/strings_as_initializers/transfer_by_eightbyte.c": {"return_code": 0}, "chapter_16/valid/strings_as_initializers/literals_and_compound_initializers.c": {"return_code": 0}, "chapter_16/valid/strings_as_initializers/write_to_array.c": {"return_code": 0, "stdout": "abc\nabx\nHello\nWorld\nJello\n"}, "chapter_16/valid/strings_as_initializers/test_alignment.c": {"return_code": 0}, "chapter_16/valid/char_constants/return_char_constant.c": {"return_code": 99}, "chapter_16/valid/char_constants/escape_sequences.c": {"return_code": 0}, "chapter_16/valid/char_constants/control_characters.c": {"return_code": 0}, "chapter_16/valid/char_constants/char_constant_operations.c": {"return_code": 0}, "chapter_16/valid/chars/partial_initialization.c": {"return_code": 0}, "chapter_16/valid/chars/convert_by_assignment.c": {"return_code": 0}, "chapter_16/valid/chars/type_specifiers.c": {"return_code": 0}, "chapter_16/valid/chars/push_arg_on_page_boundary.c": {"return_code": 1}, "chapter_16/valid/chars/integer_promotion.c": {"return_code": 0}, "chapter_16/valid/chars/chained_casts.c": {"return_code": 0}, "chapter_16/valid/chars/return_char.c": {"return_code": 0}, "chapter_16/valid/chars/char_arguments.c": {"return_code": 0}, "chapter_16/valid/chars/char_expressions.c": {"return_code": 0}, "chapter_16/valid/chars/access_through_char_pointer.c": {"return_code": 0}, "chapter_16/valid/chars/common_type.c": {"return_code": 0}, "chapter_16/valid/chars/static_initializers.c": {"return_code": 0}, "chapter_16/valid/chars/explicit_casts.c": {"return_code": 0}, "chapter_9/valid/arguments_in_registers/parameter_shadows_own_function.c": {"return_code": 2}, "chapter_9/valid/arguments_in_registers/expression_args.c": {"return_code": 2}, "chapter_9/valid/arguments_in_registers/single_arg.c": {"return_code": 6}, "chapter_9/valid/arguments_in_registers/hello_world.c": {"return_code": 0, "stdout": "Hello, World!\n"}, "chapter_9/valid/arguments_in_registers/parameter_shadows_function.c": {"return_code": 3}, "chapter_9/valid/arguments_in_registers/parameters_are_preserved.c": {"return_code": 1}, "chapter_9/valid/arguments_in_registers/forward_decl_multi_arg.c": {"return_code": 1}, "chapter_9/valid/arguments_in_registers/fibonacci.c": {"return_code": 8}, "chapter_9/valid/arguments_in_registers/param_shadows_local_var.c": {"return_code": 20}, "chapter_9/valid/no_arguments/function_shadows_variable.c": {"return_code": 11}, "chapter_9/valid/no_arguments/use_function_in_expression.c": {"return_code": 21}, "chapter_9/valid/no_arguments/no_return_value.c": {"return_code": 3}, "chapter_9/valid/no_arguments/multiple_declarations.c": {"return_code": 3}, "chapter_9/valid/no_arguments/precedence.c": {"return_code": 0}, "chapter_9/valid/no_arguments/forward_decl.c": {"return_code": 3}, "chapter_9/valid/no_arguments/variable_shadows_function.c": {"return_code": 7}, "chapter_9/valid/libraries/system_call.c": {"return_code": 0, "stdout": "H"}, "chapter_9/valid/libraries/many_args.c": {"return_code": 115}, "chapter_9/valid/libraries/addition.c": {"return_code": 3}, "chapter_9/valid/libraries/no_function_calls/division.c": {"return_code": 1}, "chapter_9/valid/libraries/no_function_calls/local_stack_variables.c": {"return_code": 100}, "chapter_9/valid/extra_credit/compound_assign_function_result.c": {"return_code": 1}, "chapter_9/valid/extra_credit/goto_label_multiple_functions.c": {"return_code": 5}, "chapter_9/valid/extra_credit/goto_shared_name.c": {"return_code": 1}, "chapter_9/valid/stack_arguments/call_putchar.c": {"return_code": 8, "stdout": "A"}, "chapter_9/valid/stack_arguments/lots_of_arguments.c": {"return_code": 1}, "chapter_9/valid/stack_arguments/stack_alignment.c": {"return_code": 1}, "chapter_9/valid/stack_arguments/test_for_memory_leaks.c": {"return_code": 1}, "chapter_12/valid/unsigned_expressions/logical.c": {"return_code": 0}, "chapter_12/valid/unsigned_expressions/arithmetic_wraparound.c": {"return_code": 1}, "chapter_12/valid/unsigned_expressions/arithmetic_ops.c": {"return_code": 0}, "chapter_12/valid/unsigned_expressions/comparisons.c": {"return_code": 0}, "chapter_12/valid/unsigned_expressions/simple.c": {"return_code": 1}, "chapter_12/valid/unsigned_expressions/static_variables.c": {"return_code": 1}, "chapter_12/valid/unsigned_expressions/locals.c": {"return_code": 0}, "chapter_12/valid/libraries/unsigned_args.c": {"return_code": 0}, "chapter_12/valid/libraries/unsigned_global_var.c": {"return_code": 1}, "chapter_12/valid/explicit_casts/same_size_conversion.c": {"return_code": 0}, "chapter_12/valid/explicit_casts/extension.c": {"return_code": 0}, "chapter_12/valid/explicit_casts/round_trip_casts.c": {"return_code": 0}, "chapter_12/valid/explicit_casts/chained_casts.c": {"return_code": 0}, "chapter_12/valid/explicit_casts/truncate.c": {"return_code": 0}, "chapter_12/valid/type_specifiers/signed_type_specifiers.c": {"return_code": 0}, "chapter_12/valid/type_specifiers/unsigned_type_specifiers.c": {"return_code": 0}, "chapter_12/valid/implicit_casts/convert_by_assignment.c": {"return_code": 0}, "chapter_12/valid/implicit_casts/promote_constants.c": {"return_code": 0}, "chapter_12/valid/implicit_casts/common_type.c": {"return_code": 0}, "chapter_12/valid/implicit_casts/static_initializers.c": {"return_code": 0}, "chapter_12/valid/extra_credit/switch_uint.c": {"return_code": 0}, "chapter_12/valid/extra_credit/compound_assign_uint.c": {"return_code": 1}, "chapter_12/valid/extra_credit/bitwise_unsigned_shift.c": {"return_code": 1}, "chapter_12/valid/extra_credit/bitwise_unsigned_ops.c": {"return_code": 1}, "chapter_5/valid/null_then_return.c": {"return_code": 0}, "chapter_5/valid/empty_function_body.c": {"return_code": 0}, "chapter_5/valid/short_circuit_or.c": {"return_code": 0}, "chapter_5/valid/assignment_in_initializer.c": {"return_code": 0}, "chapter_5/valid/non_short_circuit_or.c": {"return_code": 1}, "chapter_5/valid/null_statement.c": {"return_code": 0}, "chapter_5/valid/short_circuit_and_fail.c": {"return_code": 0}, "chapter_5/valid/local_var_missing_return.c": {"return_code": 0}, "chapter_5/valid/exp_then_declaration.c": {"return_code": 1}, "chapter_5/valid/add_variables.c": {"return_code": 3}, "chapter_5/valid/assign_val_in_initializer.c": {"return_code": 5}, "chapter_5/valid/assignment_lowest_precedence.c": {"return_code": 1}, "chapter_5/valid/allocate_temps_and_vars.c": {"return_code": 1}, "chapter_5/valid/use_assignment_result.c": {"return_code": 4}, "chapter_5/valid/use_val_in_own_initializer.c": {"return_code": 0}, "chapter_5/valid/unused_exp.c": {"return_code": 0}, "chapter_5/valid/return_var.c": {"return_code": 2}, "chapter_5/valid/mixed_precedence_assignment.c": {"return_code": 4}, "chapter_5/valid/assign.c": {"return_code": 2}, "chapter_5/valid/extra_credit/bitwise_shiftr_assign.c": {"return_code": 77}, "chapter_5/valid/extra_credit/bitwise_shiftl_variable.c": {"return_code": 24}, "chapter_5/valid/extra_credit/compound_bitwise_and.c": {"return_code": 2}, "chapter_5/valid/extra_credit/compound_minus.c": {"return_code": 2}, "chapter_5/valid/extra_credit/compound_multiply.c": {"return_code": 12}, "chapter_5/valid/extra_credit/compound_bitwise_xor.c": {"return_code": 2}, "chapter_5/valid/extra_credit/compound_bitwise_or.c": {"return_code": 31}, "chapter_5/valid/extra_credit/compound_assignment_chained.c": {"return_code": 4}, "chapter_5/valid/extra_credit/compound_divide.c": {"return_code": 2}, "chapter_5/valid/extra_credit/compound_bitwise_shiftr.c": {"return_code": 102}, "chapter_5/valid/extra_credit/compound_assignment_use_result.c": {"return_code": 8}, "chapter_5/valid/extra_credit/compound_bitwise_shiftl.c": {"return_code": 48}, "chapter_5/valid/extra_credit/compound_plus.c": {"return_code": 4}, "chapter_5/valid/extra_credit/compound_mod.c": {"return_code": 2}, "chapter_5/valid/extra_credit/bitwise_and_vars.c": {"return_code": 1}, "chapter_7/valid/declaration_only.c": {"return_code": 1}, "chapter_7/valid/assign_to_self_2.c": {"return_code": 3}, "chapter_7/valid/hidden_then_visible.c": {"return_code": 1}, "chapter_7/valid/hidden_variable.c": {"return_code": 1}, "chapter_7/valid/assign_to_self.c": {"return_code": 4}, "chapter_7/valid/inner_uninitialized.c": {"return_code": 4}, "chapter_7/valid/multiple_vars_same_name.c": {"return_code": 2}, "chapter_7/valid/use_in_inner_scope.c": {"return_code": 3}, "chapter_7/valid/empty_blocks.c": {"return_code": 30}, "chapter_7/valid/nested_if.c": {"return_code": 1}, "chapter_7/valid/similar_var_names.c": {"return_code": 28}, "chapter_7/valid/extra_credit/goto_before_declaration.c": {"return_code": 0}, "chapter_7/valid/extra_credit/compound_subtract_in_block.c": {"return_code": 1}, "chapter_7/valid/extra_credit/goto_inner_scope.c": {"return_code": 1}, "chapter_4/valid/le_true.c": {"return_code": 2}, "chapter_4/valid/ne_true.c": {"return_code": 1}, "chapter_4/valid/ge_false.c": {"return_code": 0}, "chapter_4/valid/not_zero.c": {"return_code": 1}, "chapter_4/valid/precedence_2.c": {"return_code": 0}, "chapter_4/valid/ge_true.c": {"return_code": 2}, "chapter_4/valid/eq_precedence.c": {"return_code": 1}, "chapter_4/valid/eq_false.c": {"return_code": 0}, "chapter_4/valid/or_short_circuit.c": {"return_code": 1}, "chapter_4/valid/not_sum.c": {"return_code": 1}, "chapter_4/valid/precedence_4.c": {"return_code": 1}, "chapter_4/valid/and_short_circuit.c": {"return_code": 0}, "chapter_4/valid/precedence_3.c": {"return_code": 0}, "chapter_4/valid/compare_arithmetic_results.c": {"return_code": 1}, "chapter_4/valid/and_false.c": {"return_code": 0}, "chapter_4/valid/precedence_5.c": {"return_code": 1}, "chapter_4/valid/associativity.c": {"return_code": 1}, "chapter_4/valid/gt_true.c": {"return_code": 1}, "chapter_4/valid/lt_false.c": {"return_code": 0}, "chapter_4/valid/or_true.c": {"return_code": 3}, "chapter_4/valid/or_false.c": {"return_code": 0}, "chapter_4/valid/eq_true.c": {"return_code": 1}, "chapter_4/valid/ne_false.c": {"return_code": 0}, "chapter_4/valid/multi_short_circuit.c": {"return_code": 0}, "chapter_4/valid/gt_false.c": {"return_code": 0}, "chapter_4/valid/operate_on_booleans.c": {"return_code": 0}, "chapter_4/valid/not.c": {"return_code": 0}, "chapter_4/valid/le_false.c": {"return_code": 0}, "chapter_4/valid/nested_ops.c": {"return_code": 0}, "chapter_4/valid/precedence.c": {"return_code": 1}, "chapter_4/valid/not_sum_2.c": {"return_code": 0}, "chapter_4/valid/and_true.c": {"return_code": 1}, "chapter_4/valid/lt_true.c": {"return_code": 1}, "chapter_4/valid/extra_credit/bitwise_precedence.c": {"return_code": 1}, "chapter_3/valid/mod.c": {"return_code": 0}, "chapter_3/valid/unop_add.c": {"return_code": 0}, "chapter_3/valid/associativity_3.c": {"return_code": 8}, "chapter_3/valid/mult.c": {"return_code": 6}, "chapter_3/valid/sub.c": {"return_code": 255}, "chapter_3/valid/div_neg.c": {"return_code": 254}, "chapter_3/valid/unop_parens.c": {"return_code": 253}, "chapter_3/valid/add.c": {"return_code": 3}, "chapter_3/valid/associativity.c": {"return_code": 252}, "chapter_3/valid/associativity_2.c": {"return_code": 1}, "chapter_3/valid/div.c": {"return_code": 2}, "chapter_3/valid/sub_neg.c": {"return_code": 3}, "chapter_3/valid/associativity_and_precedence.c": {"return_code": 10}, "chapter_3/valid/parens.c": {"return_code": 14}, "chapter_3/valid/precedence.c": {"return_code": 14}, "chapter_3/valid/extra_credit/bitwise_shiftr.c": {"return_code": 62}, "chapter_3/valid/extra_credit/bitwise_and.c": {"return_code": 1}, "chapter_3/valid/extra_credit/bitwise_shiftl.c": {"return_code": 140}, "chapter_3/valid/extra_credit/bitwise_or.c": {"return_code": 3}, "chapter_3/valid/extra_credit/bitwise_shift_precedence.c": {"return_code": 0}, "chapter_3/valid/extra_credit/bitwise_xor.c": {"return_code": 6}, "chapter_3/valid/extra_credit/bitwise_shift_associativity_2.c": {"return_code": 16}, "chapter_3/valid/extra_credit/bitwise_shift_associativity.c": {"return_code": 66}, "chapter_3/valid/extra_credit/bitwise_precedence.c": {"return_code": 21}, "chapter_11/valid/long_expressions/long_args.c": {"return_code": 0}, "chapter_11/valid/long_expressions/logical.c": {"return_code": 0}, "chapter_11/valid/long_expressions/type_specifiers.c": {"return_code": 0}, "chapter_11/valid/long_expressions/multi_op.c": {"return_code": 1}, "chapter_11/valid/long_expressions/large_constants.c": {"return_code": 0}, "chapter_11/valid/long_expressions/arithmetic_ops.c": {"return_code": 0}, "chapter_11/valid/long_expressions/return_long.c": {"return_code": 1}, "chapter_11/valid/long_expressions/comparisons.c": {"return_code": 0}, "chapter_11/valid/long_expressions/simple.c": {"return_code": 1}, "chapter_11/valid/long_expressions/static_long.c": {"return_code": 1}, "chapter_11/valid/long_expressions/long_and_int_locals.c": {"return_code": 0}, "chapter_11/valid/long_expressions/assign.c": {"return_code": 1}, "chapter_11/valid/libraries/long_args.c": {"return_code": 0}, "chapter_11/valid/libraries/maintain_stack_alignment.c": {"return_code": 12}, "chapter_11/valid/libraries/return_long.c": {"return_code": 1}, "chapter_11/valid/libraries/long_global_var.c": {"return_code": 0}, "chapter_11/valid/explicit_casts/truncate.c": {"return_code": 0}, "chapter_11/valid/explicit_casts/sign_extend.c": {"return_code": 0}, "chapter_11/valid/implicit_casts/convert_by_assignment.c": {"return_code": 0}, "chapter_11/valid/implicit_casts/common_type.c": {"return_code": 0}, "chapter_11/valid/implicit_casts/long_constants.c": {"return_code": 0}, "chapter_11/valid/implicit_casts/convert_function_arguments.c": {"return_code": 0}, "chapter_11/valid/implicit_casts/convert_static_initializer.c": {"return_code": 0}, "chapter_11/valid/extra_credit/bitwise_long_op.c": {"return_code": 1}, "chapter_11/valid/extra_credit/compound_assign_to_int.c": {"return_code": 1}, "chapter_11/valid/extra_credit/compound_assign_to_long.c": {"return_code": 1}, "chapter_11/valid/extra_credit/switch_int.c": {"return_code": 1}, "chapter_11/valid/extra_credit/switch_long.c": {"return_code": 1}, "chapter_19/constant_folding/all_types/fold_truncate.c": {"return_code": 0}, "chapter_19/constant_folding/all_types/fold_cast_to_double.c": {"return_code": 0}, "chapter_19/constant_folding/all_types/fold_ulong.c": {"return_code": 0}, "chapter_19/constant_folding/all_types/fold_double.c": {"return_code": 0}, "chapter_19/constant_folding/all_types/fold_extensions_and_copies.c": {"return_code": 0}, "chapter_19/constant_folding/all_types/fold_long.c": {"return_code": 0}, "chapter_19/constant_folding/all_types/fold_uint.c": {"return_code": 0}, "chapter_19/constant_folding/all_types/fold_cast_from_double.c": {"return_code": 0}, "chapter_19/constant_folding/int_only/fold_unary.c": {"return_code": 0}, "chapter_19/constant_folding/int_only/fold_conditional_jump.c": {"return_code": 0}, "chapter_19/constant_folding/int_only/fold_binary.c": {"return_code": 0}, "chapter_19/constant_folding/int_only/fold_control_flow.c": {"return_code": 0}, "chapter_19/constant_folding/int_only/fold_exception.c": {"return_code": 0}, "chapter_19/unreachable_code_elimination/remove_useless_starting_label.c": {"return_code": 99}, "chapter_19/unreachable_code_elimination/dead_for_loop.c": {"return_code": 10}, "chapter_19/unreachable_code_elimination/keep_final_jump.c": {"return_code": 17}, "chapter_19/unreachable_code_elimination/remove_jump_keep_label.c": {"return_code": 10}, "chapter_19/unreachable_code_elimination/dead_branch_inside_loop.c": {"return_code": 19}, "chapter_19/unreachable_code_elimination/empty.c": {"return_code": 0}, "chapter_19/unreachable_code_elimination/infinite_loop.c": {"return_code": 11}, "chapter_19/unreachable_code_elimination/constant_if_else.c": {"return_code": 45}, "chapter_19/unreachable_code_elimination/dead_blocks_with_predecessors.c": {"return_code": 5}, "chapter_19/unreachable_code_elimination/remove_conditional_jumps.c": {"return_code": 1}, "chapter_19/unreachable_code_elimination/dead_after_return.c": {"return_code": 2}, "chapter_19/unreachable_code_elimination/empty_block.c": {"return_code": 1}, "chapter_19/unreachable_code_elimination/dead_after_if_else.c": {"return_code": 1}, "chapter_19/copy_propagation/all_types/pointer_arithmetic.c": {"return_code": 2}, "chapter_19/copy_propagation/all_types/store_doesnt_kill.c": {"return_code": 1}, "chapter_19/copy_propagation/all_types/unsigned_wraparound.c": {"return_code": 1}, "chapter_19/copy_propagation/all_types/propagate_doubles.c": {"return_code": 1}, "chapter_19/copy_propagation/all_types/unsigned_compare.c": {"return_code": 1}, "chapter_19/copy_propagation/all_types/signed_unsigned_conversion.c": {"return_code": 1}, "chapter_19/copy_propagation/all_types/char_type_conversion.c": {"return_code": 1}, "chapter_19/copy_propagation/all_types/not_char.c": {"return_code": 1}, "chapter_19/copy_propagation/all_types/char_round_trip_2.c": {"return_code": 1}, "chapter_19/copy_propagation/all_types/alias_analysis.c": {"return_code": 24}, "chapter_19/copy_propagation/all_types/const_fold_sign_extend.c": {"return_code": 1}, "chapter_19/copy_propagation/all_types/copy_struct.c": {"return_code": 6}, "chapter_19/copy_propagation/all_types/propagate_null_pointer.c": {"return_code": 1}, "chapter_19/copy_propagation/all_types/char_round_trip.c": {"return_code": 1}, "chapter_19/copy_propagation/all_types/const_fold_type_conversions.c": {"return_code": 1}, "chapter_19/copy_propagation/all_types/const_fold_sign_extend_2.c": {"return_code": 1}, "chapter_19/copy_propagation/all_types/dont_propagate/static_are_aliased.c": {"return_code": 8}, "chapter_19/copy_propagation/all_types/dont_propagate/store_kills_aliased.c": {"return_code": 0}, "chapter_19/copy_propagation/all_types/dont_propagate/copy_to_offset.c": {"return_code": 3}, "chapter_19/copy_propagation/all_types/dont_propagate/dont_propagate_addr_of.c": {"return_code": 0}, "chapter_19/copy_propagation/all_types/dont_propagate/type_conversion.c": {"return_code": 1}, "chapter_19/copy_propagation/all_types/dont_propagate/zero_neg_zero_different.c": {"return_code": 1}, "chapter_19/copy_propagation/all_types/dont_propagate/funcall_kills_aliased.c": {"return_code": 2}, "chapter_19/copy_propagation/int_only/propagate_fun_args.c": {"return_code": 220}, "chapter_19/copy_propagation/int_only/killed_then_redefined.c": {"return_code": 2}, "chapter_19/copy_propagation/int_only/redundant_copies_2.c": {"return_code": 10}, "chapter_19/copy_propagation/int_only/multi_path_no_kill.c": {"return_code": 1}, "chapter_19/copy_propagation/int_only/redundant_copies.c": {"return_code": 10}, "chapter_19/copy_propagation/int_only/fig_19_8.c": {"return_code": 1}, "chapter_19/copy_propagation/int_only/kill_and_add_copies.c": {"return_code": 14}, "chapter_19/copy_propagation/int_only/multi_instance_same_copy.c": {"return_code": 1}, "chapter_19/copy_propagation/int_only/init_all_copies.c": {"return_code": 1}, "chapter_19/copy_propagation/int_only/complex_const_fold.c": {"return_code": 1}, "chapter_19/copy_propagation/int_only/copy_prop_const_fold.c": {"return_code": 6}, "chapter_19/copy_propagation/int_only/prop_static_var.c": {"return_code": 1}, "chapter_19/copy_propagation/int_only/propagate_var.c": {"return_code": 6}, "chapter_19/copy_propagation/int_only/multi_path.c": {"return_code": 6}, "chapter_19/copy_propagation/int_only/loop.c": {"return_code": 1}, "chapter_19/copy_propagation/int_only/dont_propagate/source_killed_on_one_path.c": {"return_code": 8}, "chapter_19/copy_propagation/int_only/dont_propagate/one_reaching_copy.c": {"return_code": 3}, "chapter_19/copy_propagation/int_only/dont_propagate/listing_20_15.c": {"return_code": 101}, "chapter_19/copy_propagation/int_only/dont_propagate/dest_killed.c": {"return_code": 4}, "chapter_19/copy_propagation/int_only/dont_propagate/no_copies_reach_entry.c": {"return_code": 4}, "chapter_19/copy_propagation/int_only/dont_propagate/add_all_blocks_to_worklist.c": {"return_code": 4}, "chapter_19/copy_propagation/int_only/dont_propagate/multi_values.c": {"return_code": 7}, "chapter_19/copy_propagation/int_only/dont_propagate/static_dst_killed.c": {"return_code": 4}, "chapter_19/copy_propagation/int_only/dont_propagate/static_src_killed.c": {"return_code": 1}, "chapter_19/copy_propagation/int_only/dont_propagate/source_killed.c": {"return_code": 10}, "chapter_19/dead_store_elimination/all_types/aliased_dead_at_exit.c": {"return_code": 1}, "chapter_19/dead_store_elimination/all_types/getaddr_doesnt_gen.c": {"return_code": 0}, "chapter_19/dead_store_elimination/all_types/copy_to_dead_struct.c": {"return_code": 4}, "chapter_19/dead_store_elimination/all_types/dont_elim/copytooffset_doesnt_kill.c": {"return_code": 101}, "chapter_19/dead_store_elimination/all_types/dont_elim/store_generates_dst.c": {"return_code": 4}, "chapter_19/dead_store_elimination/all_types/dont_elim/load_generates_pointer.c": {"return_code": 10}, "chapter_19/dead_store_elimination/all_types/dont_elim/load_through_pointer.c": {"return_code": 10}, "chapter_19/dead_store_elimination/all_types/dont_elim/pass_pointer_to_fun.c": {"return_code": 5}, "chapter_19/dead_store_elimination/all_types/dont_elim/never_kill_store.c": {"return_code": 4}, "chapter_19/dead_store_elimination/all_types/dont_elim/copyfromoffset_gen.c": {"return_code": 3}, "chapter_19/dead_store_elimination/int_only/fig_19_12.c": {"return_code": 9}, "chapter_19/dead_store_elimination/int_only/use_and_kill.c": {"return_code": 5}, "chapter_19/dead_store_elimination/int_only/dead_store_static_var.c": {"return_code": 1}, "chapter_19/dead_store_elimination/int_only/loop_dead_store.c": {"return_code": 51}, "chapter_19/dead_store_elimination/int_only/simple.c": {"return_code": 3}, "chapter_19/dead_store_elimination/int_only/elim_second_copy.c": {"return_code": 10}, "chapter_19/dead_store_elimination/int_only/dont_elim/static_vars_at_exit.c": {"return_code": 1}, "chapter_19/dead_store_elimination/int_only/dont_elim/used_one_path.c": {"return_code": 40}, "chapter_19/dead_store_elimination/int_only/dont_elim/dont_remove_funcall.c": {"return_code": 0, "stdout": "C"}, "chapter_19/dead_store_elimination/int_only/dont_elim/add_all_to_worklist.c": {"return_code": 0, "stdout": "L"}, "chapter_19/dead_store_elimination/int_only/dont_elim/loop.c": {"return_code": 54}, "chapter_19/dead_store_elimination/int_only/dont_elim/static_vars_fun.c": {"return_code": 5}, "chapter_19/whole_pipeline/all_types/alias_analysis_change.c": {"return_code": 0}, "chapter_19/whole_pipeline/int_only/dead_condition.c": {"return_code": 10}, "chapter_19/whole_pipeline/int_only/elim_and_copy_prop.c": {"return_code": 10}, "chapter_19/whole_pipeline/int_only/remainder_test.c": {"return_code": 1}, "chapter_20/all_types/no_coalescing/mixed_ints.c": {"return_code": 9}, "chapter_20/all_types/no_coalescing/dbl_trivially_colorable.c": {"return_code": 3}, "chapter_20/all_types/no_coalescing/spill_movz_dst.c": {"return_code": 29}, "chapter_20/all_types/no_coalescing/push_xmm.c": {"return_code": 1}, "chapter_20/all_types/no_coalescing/dbl_fun_call.c": {"return_code": 1}, "chapter_20/all_types/no_coalescing/stack_alignment.c": {"return_code": 1}, "chapter_20/all_types/no_coalescing/track_dbl_arg_registers.c": {"return_code": 1}, "chapter_20/all_types/no_coalescing/fourteen_pseudos_interfere.c": {"return_code": 0}, "chapter_20/all_types/no_coalescing/div_interference.c": {"return_code": 1}, "chapter_20/all_types/no_coalescing/test_spilling_dbls.c": {"return_code": 3}, "chapter_20/all_types/no_coalescing/store_pointer_in_register.c": {"return_code": 0}, "chapter_20/int_only/no_coalescing/same_instr_interference.c": {"return_code": 6}, "chapter_20/int_only/no_coalescing/spills_rewrites_compare.c": {"return_code": 3}, "chapter_20/int_only/no_coalescing/copy_and_separate_interference.c": {"return_code": 1}, "chapter_20/int_only/no_coalescing/spills_and_rewrites.c": {"return_code": 23}, "chapter_20/int_only/no_coalescing/cmp_liveness.c": {"return_code": 1}, "chapter_20/int_only/no_coalescing/rewrite_large_multiply.c": {"return_code": 58}, "chapter_20/int_only/no_coalescing/spill_callee_saved.c": {"return_code": 1}, "chapter_20/int_only/no_coalescing/test_spill_metric.c": {"return_code": 1}, "chapter_20/int_only/no_coalescing/unary_interference.c": {"return_code": 10}, "chapter_20/int_only/no_coalescing/optimistic_coloring.c": {"return_code": 0}, "chapter_20/int_only/no_coalescing/track_arg_registers.c": {"return_code": 1}, "chapter_20/int_only/no_coalescing/many_pseudos_fewer_conflicts.c": {"return_code": 0}, "chapter_20/int_only/no_coalescing/same_instr_no_interference.c": {"return_code": 1}, "chapter_20/int_only/no_coalescing/copy_no_interference.c": {"return_code": 1}, "chapter_20/int_only/no_coalescing/force_spill.c": {"return_code": 9}, "chapter_20/int_only/no_coalescing/callee_saved_stack_alignment.c": {"return_code": 1}, "chapter_20/int_only/no_coalescing/idiv_interference.c": {"return_code": 1}, "chapter_20/int_only/no_coalescing/preserve_across_fun_call.c": {"return_code": 0}, "chapter_20/int_only/no_coalescing/use_all_hardregs.c": {"return_code": 0}, "chapter_20/int_only/no_coalescing/test_spill_metric_2.c": {"return_code": 1}, "chapter_20/int_only/no_coalescing/loop.c": {"return_code": 6}, "chapter_20/int_only/no_coalescing/trivially_colorable.c": {"return_code": 1}, "chapter_20/int_only/no_coalescing/cdq_interference.c": {"return_code": 0}, "chapter_20/int_only/with_coalescing/cdq_generates_ax.c": {"return_code": 0}, "chapter_20/int_only/with_coalescing/callee_saved_live_at_exit.c": {"return_code": 0}, "chapter_20/int_only/with_coalescing/coalesce_prevents_spill.c": {"return_code": 0}, "chapter_20/int_only/with_coalescing/george_coalesce.c": {"return_code": 1}, "chapter_20/int_only/with_coalescing/unary_generates_dst.c": {"return_code": 0}, "chapter_20/int_only/with_coalescing/briggs_coalesce.c": {"return_code": 2}, "chapter_20/int_only/with_coalescing/bin_generates_dst.c": {"return_code": 187}, "chapter_20/int_only/with_coalescing/briggs_coalesce_tmps.c": {"return_code": 1}, "chapter_20/int_only/with_coalescing/cmp_generates_operands.c": {"return_code": 1}, "chapter_20/int_only/with_coalescing/funcall_generates_args.c": {"return_code": 0}, "chapter_20/int_only/with_coalescing/eax_live_at_exit.c": {"return_code": 1}}
\ No newline at end of file
diff --git a/generate_expected_results.py b/generate_expected_results.py
index 9d2d0fae..9e748a97 100755
--- a/generate_expected_results.py
+++ b/generate_expected_results.py
@@ -64,7 +64,11 @@ def main() -> None:
 
     all_valid_progs = itertools.chain(
         TEST_DIR.glob("chapter_*/valid/**/*.c"),
-        TEST_DIR.glob("chapter_19/**/*.c"),
+        TEST_DIR.glob("chapter_19/constant_folding/**/*.c"),
+        TEST_DIR.glob("chapter_19/unreachable_code_elimination/**/*.c"),
+        TEST_DIR.glob("chapter_19/copy_propagation/**/*.c"),
+        TEST_DIR.glob("chapter_19/dead_store_elimination/**/*.c"),
+        TEST_DIR.glob("chapter_19/whole_pipeline/**/*.c"),
         TEST_DIR.glob("chapter_20/all_types/**/*.c"),
         TEST_DIR.glob("chapter_20/int_only/**/*.c"),
     )
@@ -146,6 +150,11 @@ def main() -> None:
             asm_path = prog.with_name(asm_lib)
             source_files.append(asm_path)
 
+        if basic.get_props_key(prog) in basic.DEPENDENCIES:
+            lib = basic.DEPENDENCIES[basic.get_props_key(prog)]
+            lib_path = basic.TEST_DIR / lib
+            source_files.append(lib_path)
+
         if "chapter_20" in prog.parts:
             # we may need to include wrapper script and other library files
             extra_libs = lookup_regalloc_libs(prog)
diff --git a/test_framework/basic.py b/test_framework/basic.py
index ed040c47..858224fe 100644
--- a/test_framework/basic.py
+++ b/test_framework/basic.py
@@ -24,12 +24,16 @@
 EXTRA_CREDIT_PROGRAMS: dict[str, list[str]]
 REQUIRES_MATHLIB: list[str]
 
+# TODO Consider handling C and assembly dependencies uniformly
+# (but remember that assembly files have different Linux/OS X variants)
+DEPENDENCIES: dict[str, str]
 ASSEMBLY_DEPENDENCIES: dict[str, dict[str, str]]
 with open(ROOT_DIR / "test_properties.json", "r", encoding="utf-8") as f:
     test_info = json.load(f)
     EXTRA_CREDIT_PROGRAMS = test_info["extra_credit_tests"]
     REQUIRES_MATHLIB = test_info["requires_mathlib"]
     ASSEMBLY_DEPENDENCIES = test_info["assembly_libs"]
+    DEPENDENCIES = test_info["libs"]
 ASSEMBLY_LIBS = set(
     lib for libs in ASSEMBLY_DEPENDENCIES.values() for lib in libs.values()
 )
@@ -60,36 +64,6 @@ def print_stderr(proc: subprocess.CompletedProcess[str]) -> None:
         print(proc.stderr)
 
 
-def gcc_build_obj(prog: Path) -> None:
-    """Use the 'gcc' command to compile source file to an object file.
-    This is used to test ABI compatibility between our compiler and the system compiler
-    """
-    objfile = prog.with_suffix(".o")
-
-    # IMPORTANT: if we're building a library, and 'gcc' command actually
-    # points to clang, which it does on macOS, we must _not_ enable optimizations
-    # Clang optimizes out sign-/zero-extension for narrow args
-    # which violates the System V ABI and breaks ABI compatibility
-    # with our implementation
-    # see https://stackoverflow.com/a/36760539
-    try:
-        subprocess.run(
-            [
-                "gcc",
-                prog,
-                "-c",
-                "-fstack-protector-all",
-                "-D",
-                "SUPPRESS_WARNINGS",
-                "-o",
-                objfile,
-            ],
-            check=True,
-        )
-    except subprocess.CalledProcessError as err:
-        raise RuntimeError(err.stderr) from err
-
-
 def gcc_compile_and_run(
     source_files: List[Path], options: List[str]
 ) -> subprocess.CompletedProcess[str]:
@@ -150,6 +124,9 @@ class TestChapter(unittest.TestCase):
     * compile_lib_and_run:
         like compile_client_and_run, but compile the *library* withour compiler
         and *client* with the system compiler
+    * compile_with_helper_lib_and_run:
+        like compile_client_and_run except the library is defined in test_properties.json and is not under test
+        library should be in TEST_DIR/helper_libs/
     * compile_with_asm_lib_and_run:
         like compile_client_and_run except the library is an assembly file defined in test_properties.json, not a C file
 
@@ -355,18 +332,15 @@ def library_test_helper(
         # TODO make this controlled by verbosity maybe?
         print_stderr(compilation_result)
 
-        # compile other_file
-        gcc_build_obj(other_file)
-
-        # link both object files and run resulting executable
-        source_files = [file_under_test.with_suffix(".o"), other_file.with_suffix(".o")]
+        # compile other file, link with object file produced by compiler under test,
+        # and run resulting executable
+        source_files = [file_under_test.with_suffix(".o"), other_file]
         options = []
         if needs_mathlib(file_under_test) or needs_mathlib(other_file):
             options.append("-lm")
         result = gcc_compile_and_run(source_files, options)
 
-        # validate results; we pass lib_source as first arg here
-        # b/c it's the key for library tests in EXPECTED_RESULTS
+        # validate results
         self.validate_runs(results_key, result)
 
     def compile_client_and_run(self, client_path: Path) -> None:
@@ -376,6 +350,12 @@ def compile_client_and_run(self, client_path: Path) -> None:
         lib_path = replace_stem(client_path, client_path.stem[: -len("_client")])
         self.library_test_helper(client_path, lib_path, lib_path)
 
+    def compile_with_helper_lib_and_run(self, path: Path) -> None:
+        key = get_props_key(path)
+        lib_filename = DEPENDENCIES[key]
+        lib_path = TEST_DIR / lib_filename
+        self.library_test_helper(path, lib_path, path)
+
     def compile_with_asm_lib_and_run(self, path: Path) -> None:
         key = get_props_key(path)
         platfrm: str
@@ -530,6 +510,11 @@ def make_test_run(program: Path) -> Callable[[TestChapter], None]:
         def test_run(self: TestChapter) -> None:
             self.compile_with_asm_lib_and_run(program)
 
+    elif get_props_key(program) in DEPENDENCIES:
+
+        def test_run(self: TestChapter) -> None:
+            self.compile_with_helper_lib_and_run(program)
+
     else:
 
         def test_run(self: TestChapter) -> None:
diff --git a/test_framework/regalloc.py b/test_framework/regalloc.py
index b615e332..3b02fe8d 100644
--- a/test_framework/regalloc.py
+++ b/test_framework/regalloc.py
@@ -322,6 +322,7 @@ class CoalesceTest(NamedTuple):
     max_moves: int = 0
 
 
+# TODO track extra libs in test_properties.json instead of here?
 REGALLOC_TESTS: Mapping[str, Union[CoalesceTest, NoSpillTest, SpillTest]] = {
     "trivially_colorable.c": NoSpillTest(),
     "use_all_hardregs.c": NoSpillTest(),
diff --git a/test_framework/tacky/unreachable.py b/test_framework/tacky/unreachable.py
index 155a85be..36e7a814 100644
--- a/test_framework/tacky/unreachable.py
+++ b/test_framework/tacky/unreachable.py
@@ -68,7 +68,12 @@ def is_funcall(i: asm.AsmItem) -> bool:
 NO_FUNCALLS_TESTS = ["dead_branch_inside_loop.c", "dead_after_if_else.c"]
 
 # don't inspect assembly for this program, just validate its behavior
-BASIC_TESTS = ["keep_final_jump.c", "empty.c", "remove_jump_keep_label.c"]
+BASIC_TESTS = [
+    "keep_final_jump.c",
+    "empty.c",
+    "remove_jump_keep_label.c",
+    "infinite_loop.c",
+]
 
 
 def make_unreachable_code_test(
diff --git a/test_framework/test_tests/test_programs.py b/test_framework/test_tests/test_programs.py
index 6ea64238..73a482bb 100644
--- a/test_framework/test_tests/test_programs.py
+++ b/test_framework/test_tests/test_programs.py
@@ -4,12 +4,12 @@
 import subprocess
 import unittest
 from pathlib import Path
-from typing import Callable, List
+from typing import Callable, List, Iterable
 
 from .. import basic, regalloc
 
 
-def lookup_libs(prog: Path) -> List[Path]:
+def lookup_regalloc_libs(prog: Path) -> List[Path]:
     """Look up extra library we need to link against for regalloc tests"""
     test_info = regalloc.REGALLOC_TESTS.get(prog.name)
     if test_info is None:
@@ -25,14 +25,17 @@ def lookup_libs(prog: Path) -> List[Path]:
     ]
 
 
-def lookup_assembly_libs(prog: Path) -> List[Path]:
-    """Look up extra assembly library we need to link against"""
+def lookup_libs(prog: Path) -> List[Path]:
+    """Look up extra libraries we need to link against"""
     k = basic.get_props_key(prog)
     if k in basic.ASSEMBLY_DEPENDENCIES:
         platfrm = basic.get_platform()
         dep = basic.ASSEMBLY_DEPENDENCIES[k][platfrm]
 
         return [prog.with_name(dep)]
+    if k in basic.DEPENDENCIES:
+        dep = basic.DEPENDENCIES[k]
+        return [basic.TEST_DIR / dep]
 
     return []
 
@@ -52,10 +55,10 @@ def build_compiler_args(source_file: Path) -> List[str]:
     # if it's in chapter 20, get extra libs as needed
     if "chapter_20" in source_file.parts:
         # we may need to include wrapper script and other library files
-        args.extend(str(lib) for lib in lookup_libs(source_file))
+        args.extend(str(lib) for lib in lookup_regalloc_libs(source_file))
 
     # some test programs have extra libraries too
-    args.extend(str(lib) for lib in lookup_assembly_libs(source_file))
+    args.extend(str(lib) for lib in lookup_libs(source_file))
 
     # add mathlib option if needed
     if needs_mathlib:
@@ -145,7 +148,7 @@ def configure_tests() -> None:
         basic.TEST_DIR.glob("chapter_20/int_only/**/*.c"),
     )
     for prog in valid_progs:
-        if prog.name.endswith("_client.c"):
+        if prog.name.endswith("_client.c") or "helper_libs" in prog.parts:
             continue
         # TODO refactor getting the key/test name
         test_key = prog.relative_to(basic.TEST_DIR).with_suffix("")
@@ -153,7 +156,11 @@ def configure_tests() -> None:
         setattr(SanitizerTest, test_name, make_sanitize_test(prog))
 
 
-def load_tests(loader, tests, pattern):
+def load_tests(
+    loader: unittest.TestLoader,
+    tests: Iterable[unittest.TestCase | unittest.TestSuite],
+    pattern: str,
+) -> unittest.TestSuite:
     suite = unittest.TestSuite()
     configure_tests()
     tests = loader.loadTestsFromTestCase(SanitizerTest)
diff --git a/test_framework/test_tests/test_toplevel.py b/test_framework/test_tests/test_toplevel.py
index 2f1a0a74..53f8dc46 100644
--- a/test_framework/test_tests/test_toplevel.py
+++ b/test_framework/test_tests/test_toplevel.py
@@ -95,7 +95,9 @@ def test_regalloc_failure(self) -> None:
 
     def test_optimization_success(self) -> None:
         """With optimizations, NQCC passes the chapter 19 tests"""
-        expected_test_count = len(list((TEST_DIR / "chapter_19").rglob("*.c")))
+        expected_test_count = len(list((TEST_DIR / "chapter_19").rglob("*.c"))) - len(
+            list((TEST_DIR / "chapter_19" / "helper_libs").rglob("*.c"))
+        )
         try:
             testrun = run_test_script(
                 "./test_compiler $NQCC --chapter 19 --latest-only"
diff --git a/test_properties.json b/test_properties.json
index 54253f41..e3270f59 100644
--- a/test_properties.json
+++ b/test_properties.json
@@ -376,6 +376,9 @@
         "chapter_13/valid/special_values/copysign.c",
         "chapter_13/valid/libraries/double_params_and_result.c"
     ],
+    "libs": {
+        "chapter_19/unreachable_code_elimination/infinite_loop.c": "chapter_19/helper_libs/exit.c"
+    },
     "assembly_libs": {
         "chapter_10/valid/push_arg_on_page_boundary.c": {
             "linux": "data_on_page_boundary_linux.s",
diff --git a/tests/chapter_19/helper_libs/exit.c b/tests/chapter_19/helper_libs/exit.c
new file mode 100644
index 00000000..7fe5fb4d
--- /dev/null
+++ b/tests/chapter_19/helper_libs/exit.c
@@ -0,0 +1,12 @@
+/* This just defines a wrapper for the exit system call
+ * that we can use if we've only completed part I and so don't
+ * support the 'void' return type.
+ * Used in unreachable_code_elimination/infinite_loop.c
+ * */
+
+void exit(int status); // from standard library
+
+int exit_wrapper(int status) {
+    exit(status);
+    return 0; // never reached
+}
\ No newline at end of file
diff --git a/tests/chapter_19/unreachable_code_elimination/README.md b/tests/chapter_19/unreachable_code_elimination/README.md
index d6efc545..96a849d4 100644
--- a/tests/chapter_19/unreachable_code_elimination/README.md
+++ b/tests/chapter_19/unreachable_code_elimination/README.md
@@ -5,4 +5,4 @@ In most of our test programs, dead code elimination should eliminate all control
 In a couple of programs (`dead_branch_inside_loop.c` and `dead_after_if_else.c`), dead code elimination should eliminate all function calls but not other control-flow instructions.
 These tests fail if there's a `call` instruction in the `target` function.
 
-A few programs (`keep_final_jump.c`, `empty.c`, and`remove_jump_keep_label.c`) test edge cases where code _shouldn't_ be eliminated. The test script doesn't inspect the assembly for these; it just validates that they behave correctly.
\ No newline at end of file
+A few programs (`keep_final_jump.c`, `empty.c`, `infinite_loop.c`, and`remove_jump_keep_label.c`) test edge cases where code _shouldn't_ be eliminated, or where a bug in unreachable code elimination is likely to just crash the compiler. The test script doesn't inspect the assembly for these; it just validates that they behave correctly.
\ No newline at end of file
diff --git a/tests/chapter_19/unreachable_code_elimination/constant_if_else.c b/tests/chapter_19/unreachable_code_elimination/constant_if_else.c
index ae129b10..861eca47 100644
--- a/tests/chapter_19/unreachable_code_elimination/constant_if_else.c
+++ b/tests/chapter_19/unreachable_code_elimination/constant_if_else.c
@@ -1,4 +1,8 @@
 /* Test that we eliminate an unreachable 'if' statement body.
+ * This also tests that we won't eliminate a block if some, but not all,
+ * of its precedessors are unreachable. The final 'return' statement's
+ * predecessors include the 'if' branch (which is dead) and the 'else'
+ * statement (which isn't).
  * */
 int callee(void) {
     return 0;
diff --git a/tests/chapter_19/unreachable_code_elimination/dead_for_loop.c b/tests/chapter_19/unreachable_code_elimination/dead_for_loop.c
index 8f9be2fd..04cba9e4 100644
--- a/tests/chapter_19/unreachable_code_elimination/dead_for_loop.c
+++ b/tests/chapter_19/unreachable_code_elimination/dead_for_loop.c
@@ -1,5 +1,6 @@
 /* Test that we can optimize away a for loop that will never execute;
- * initial expression still runs but post expression and body don't, */
+ * initial expression still runs but post expression and body don't.
+ * */
 #if defined SUPPRESS_WARNINGS
 #pragma GCC diagnostic ignored "-Wdiv-by-zero"
 #endif
diff --git a/tests/chapter_19/unreachable_code_elimination/infinite_loop.c b/tests/chapter_19/unreachable_code_elimination/infinite_loop.c
new file mode 100644
index 00000000..3fa28ed7
--- /dev/null
+++ b/tests/chapter_19/unreachable_code_elimination/infinite_loop.c
@@ -0,0 +1,16 @@
+/* make sure we don't choke on programs that never terminate
+ * This program _does_ terminate because it indirectly calls exit()
+ * but the compiler doesn't know that.
+ * */
+
+int exit_wrapper(int status); // defined in chapter_19/libraries/exit.c
+
+int main(void) {
+    int i = 0;
+    do {
+        i = i + 1;
+        if (i > 10) {
+            exit_wrapper(i);
+        }
+    } while(1);
+}
\ No newline at end of file