Rollup of 8 pull requests#150469

Merged

bors merged 18 commits intorust-lang:mainfrom

JonathanBrouwer:rollup-6ujkn6v

Dec 29, 2025

Commits on Dec 3, 2025

Implement `Duration::div_duration_{floor,ceil}`
max-heller
committed

Commits on Dec 4, 2025

Optimized implementation for uN::{gather,scatter}_bits
quaternic
committed

Commits on Dec 8, 2025

use more descriptive variable names
quaternic
committed

Commits on Dec 15, 2025

Add more `unbounded_sh[lr]` examples
scottmcm
committed

Commits on Dec 16, 2025

std: sys: fs: uefi: Implement readdir
Ayush1325
committed

Commits on Dec 25, 2025

add several older crashtests
cyrgani
committed

Commits on Dec 26, 2025

Fix ICE by rejecting const blocks in patterns during AST lowering
Shinonn23
committed

Commits on Dec 27, 2025

Commits on Dec 28, 2025