Rollup of 15 pull requests#150914

Closed

Zalathar wants to merge 46 commits intorust-lang:mainfrom

Zalathar:rollup-gKolHZj

Commits on Dec 14, 2025

create_dir_all() operates iteratively instead of recursively
asder8215
committed
check if current path is root through seeing if its parent is None
asder8215
committed

Commits on Dec 29, 2025

Commits on Jan 5, 2026

Use all thread::current static variables from realstd in tests.
Sinan Nalkaya
committed
Use re-exports from test_internals.
Sinan Nalkaya
committed

Commits on Jan 6, 2026

Unix implementation for stdio set/take/replace
the8472
committed

Commits on Jan 9, 2026

Commits on Jan 10, 2026