Rollup of 5 pull requests#159498

Merged

rust-bors[bot] merged 11 commits into

rust-lang:mainfrom

jhpratt:rollup-vbOXcq6

Jul 18, 2026

Commits on Jul 12, 2026

[cg_ssa] Eliminate the `is_backend_{immediate,scalar_pair,ref}` methods
scottmcm
committed

Commits on Jul 16, 2026

rustc: Avoid passing jobserver proxy around the compiler

zetanumbers
authored and
petrochenkov
committed