compiler-builtins
Nothing significant here, just syncing the following small changes: - https://github.com/rust-lang/compiler-builtins/pull/727 - https://github.com/rust-lang/compiler-builtins/pull/730 - https://github.com/rust-lang/compiler-builtins/pull/736 - https://github.com/rust-lang/compiler-builtins/pull/737