Ben Kimock

Seems to work?

@bors rollup=iffy r? oli-obk @antoyo I sank some logic from cg_ssa into cg_llvm, so I feel like some change should be made to cg_gcc? Though I don't know to what...

> Does your changes require any new tests? I'm not sure. `AtomicPtr` already has some good tests in the library, and I confirmed by trial-and-error that if codegen emits invalid...

@bors try @rust-timer queue

@bors try @rust-timer queue

@bors try @rust-timer queue

@bors try @rust-timer queue

r? compiler

I reviewed the above perf report and I have no theories on why any of the builds got slower. The optimization added here leaves behind some blocks which are just...

Perf queue is quiet, and https://github.com/rust-lang/rust/pull/120650 landed. So let's go again! @bors try @rust-timer queue