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| author | Ralf Jung <post@ralfj.de> | 2024-09-22 08:11:17 +0200 |
|---|---|---|
| committer | Ralf Jung <post@ralfj.de> | 2024-09-22 10:00:24 +0200 |
| commit | 8103505a4d9bcef3eb5715a41cc0eb08d92c05d5 (patch) | |
| tree | c70b2b75e7f1cb9650052c607aa6c6c205dc5e13 /compiler/rustc_feature/src | |
| parent | c0838c8ebec23fb87855bb6de3a287981cb1df98 (diff) | |
| download | rust-8103505a4d9bcef3eb5715a41cc0eb08d92c05d5.tar.gz rust-8103505a4d9bcef3eb5715a41cc0eb08d92c05d5.zip | |
fix rustc_nonnull_optimization_guaranteed docs
Diffstat (limited to 'compiler/rustc_feature/src')
| -rw-r--r-- | compiler/rustc_feature/src/builtin_attrs.rs | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/compiler/rustc_feature/src/builtin_attrs.rs b/compiler/rustc_feature/src/builtin_attrs.rs index 3b7e0d82d0f..edff6b1175c 100644 --- a/compiler/rustc_feature/src/builtin_attrs.rs +++ b/compiler/rustc_feature/src/builtin_attrs.rs @@ -863,8 +863,10 @@ pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[ rustc_attr!( rustc_nonnull_optimization_guaranteed, Normal, template!(Word), WarnFollowing, EncodeCrossCrate::Yes, - "the `#[rustc_nonnull_optimization_guaranteed]` attribute is just used to enable \ - niche optimizations in libcore and libstd and will never be stable", + "the `#[rustc_nonnull_optimization_guaranteed]` attribute is just used to document \ + guaranteed niche optimizations in libcore and libstd and will never be stable\n\ + (note that the compiler does not even check whether the type indeed is being non-null-optimized; \ + it is your responsibility to ensure that the attribute is only used on types that are optimized)", ), // ========================================================================== |