fix normalizing in different `ParamEnv`s with the same `InferCtxt`#124203

Merged

bors merged 4 commits intorust-lang:masterfrom

lukas-code:delete-deleting-caches

Apr 21, 2024

Commits on Apr 20, 2024

include ParamEnv in projection cache key
Lukas Markeffsky
committed
remove `InferCtxt::clear_caches`
Lukas Markeffsky
committed
merge two impl blocks
Lukas Markeffsky
committed

Commits on Apr 21, 2024

also remap RPITITs nested in other types back to their opaques
Lukas Markeffsky
committed