Make AtomTable fully safe and prepare for garbage collection#2736

Draft

adri326 wants to merge 14 commits intomthom:rebis-devfrom adri326:atom-table-indirection

+479-107

Commits on Dec 30, 2024

Panic if Stack::truncate is called with an unaligned value
adri326
committed
Add assertions in stack.rs and TODOs for leftover unsafe operations
adri326
committed
Tighten assertions in RawBlock::get to require indices to be less than head
adri326
committed