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Put the RFC behind a feature gate result_ffi_guarantees

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Arvind Mukund 2024-03-18 20:31:48 -07:00
parent 437ca26de5
commit ed532cc186
8 changed files with 499 additions and 28 deletions
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3
compiler/rustc_feature/src/unstable.rs
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@ -585,6 +585,9 @@ declare_features! (
(incomplete, repr128, "1.16.0", Some(56071)),
/// Allows `repr(simd)` and importing the various simd intrinsics.
(unstable, repr_simd, "1.4.0", Some(27731)),
/// Allows enums like Result<T, E> to be used across FFI, if T's niche value can
/// be used to describe E or vise-versa.
(unstable, result_ffi_guarantees, "CURRENT_RUSTC_VERSION", Some(110503)),
/// Allows bounding the return type of AFIT/RPITIT.
(incomplete, return_type_notation, "1.70.0", Some(109417)),
/// Allows `extern "rust-cold"`.