diff --git a/rust-version b/rust-version
index 377639882c..bc81038c96 100644
--- a/rust-version
+++ b/rust-version
@@ -1 +1 @@
-3b382642aba7cffbb2f47829b24635fad87bcf5c
+706141b8d9090228343340378b1d4a2b095fa1fb
diff --git a/tests/pass/function_pointers.rs b/tests/pass/function_pointers.rs
index a5c4bc5e0d..7145be334a 100644
--- a/tests/pass/function_pointers.rs
+++ b/tests/pass/function_pointers.rs
@@ -1,3 +1,5 @@
+#![allow(unpredictable_function_pointer_comparisons)]
+
 use std::mem;
 
 trait Answer {
diff --git a/tests/pass/issues/issue-91636.rs b/tests/pass/issues/issue-91636.rs
index 0037016581..d0cadcd2c7 100644
--- a/tests/pass/issues/issue-91636.rs
+++ b/tests/pass/issues/issue-91636.rs
@@ -1,3 +1,5 @@
+#![allow(unpredictable_function_pointer_comparisons)]
+
 type BuiltIn = for<'a> fn(&str);
 
 struct Function {