Rollup of 15 pull requests#152950

Closed

jhpratt wants to merge 44 commits intorust-lang:mainfrom

jhpratt:rollup-GqmsYmb

Commits on Jan 13, 2026

rustc_target: callconv: powerpc64: Use the ABI set in target options instead of guessing
Gelbpunkt
committed

Commits on Jan 15, 2026

rustc_target: spec: Ensure that a valid llvm_abiname value is set for PowerPC64(LE)
Gelbpunkt
committed

Commits on Jan 25, 2026

Fix ICE in const eval when using packed SIMD with non-power-of-two length
enthropy7
committed

Commits on Feb 14, 2026

Simplify internals of `{Rc,Arc}::default`
alexcrichton
committed

Commits on Feb 16, 2026

Test(lib/win/proc): Skip `raw_attributes` doctest under Win7
PaulDance
committed

Commits on Feb 17, 2026

Commits on Feb 19, 2026

Commits on Feb 22, 2026