Rollup of 6 pull requests#146825

Closed

tgross35 wants to merge 12 commits intorust-lang:masterfrom

tgross35:rollup-hpuv09x

Commits on Jul 20, 2025

Stabilize `new_zeroed_alloc`
thaliaarchi
committed

Commits on Aug 29, 2025

Stabilize file_as_c_str
Darksonn
committed

Commits on Sep 19, 2025

Commits on Sep 20, 2025