Sync from rust 2025/09/16 #760
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As opposed to passing it around through Result.
…update_cg_gcc_2025-08-26
…lsewhere A lot of places had special handling just in case they would get an allocator module even though most of these places could never get one or would have a trivial implementation for the allocator module. Moving all handling of the allocator module to a single place simplifies things a fair bit.
It is only used within cg_llvm.
It is always false nowadays. ThinLTO summary writing is instead done by llvm_optimize.
Misc LTO cleanups Follow up to rust-lang/rust#145955. * Remove want_summary argument from `prepare_thin`. Since rust-lang/rust#133250 ThinLTO summary writing is instead done by `llvm_optimize`. * Two minor cleanups
We need a different attribute than `rustc_align` because unstable attributes are tied to their feature (we can't have two unstable features use the same unstable attribute). Otherwise this uses all of the same infrastructure as `#[rustc_align]`.
…fjung,traviscross Implement `#[rustc_align_static(N)]` on `static`s Tracking issue: rust-lang/rust#146177 ```rust #![feature(static_align)] #[rustc_align_static(64)] static SO_ALIGNED: u64 = 0; ``` We need a different attribute than `rustc_align` because unstable attributes are tied to their feature (we can't have two unstable features use the same unstable attribute). Otherwise this uses all of the same infrastructure as `#[rustc_align]`. r? `@traviscross`
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