Rollup of 9 pull requests#154438

Closed

JonathanBrouwer wants to merge 27 commits intorust-lang:mainfrom

JonathanBrouwer:rollup-1QVO5qY

Commits on Mar 7, 2026

perf(codegen): Eliminate `size_of_val == 0` for non-ZST DSTs via nuw+assume

TKanX
and
scottmcm
committed

Commits on Mar 10, 2026

simd_add/sub/mul/neg: document overflow behavior
RalfJung
committed

Commits on Mar 11, 2026

Pass -pg to linker when using -Zinstrument-mcount
pmur
committed

Commits on Mar 12, 2026

Commits on Mar 13, 2026

change "error finalizing incremental compilation" from warning to note
lambdageek
committed

Commits on Mar 17, 2026

Reword the incremental finalize diagnostic
lambdageek
committed

Commits on Mar 18, 2026

Commits on Mar 20, 2026

add a test to make rustc_incremental finalize_session_directory rename fail
lambdageek
committed

Commits on Mar 26, 2026