Rollup of 8 pull requests#125689

Closed

jieyouxu wants to merge 25 commits intorust-lang:masterfrom

jieyouxu:rollup-e2waal9

Commits on Apr 25, 2024

Add `--print=check-cfg` to get the expected configs
Urgau
committed

Commits on May 27, 2024

miri: avoid making a full copy of all new allocations
RalfJung
committed

Commits on May 28, 2024