Fix supertrait associated type unsoundness#126090

Merged

bors merged 2 commits intorust-lang:masterfrom compiler-errors:supertrait-assoc-ty-unsoundness

Jul 26, 2024

+320-114

Commits on Jul 15, 2024

Item bounds can reference self projections and still be object safe
compiler-errors
committed
Fix unsoundness when associated types dont actually come from supertraits
compiler-errors
committed