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Rollup merge of #120502 - clubby789:remove-ffi-returns-twice, r=compiler-errors

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Remove `ffi_returns_twice` feature

The [tracking issue](https://github.com/rust-lang/rust/issues/58314) and [RFC](https://github.com/rust-lang/rfcs/pull/2633) have been closed for a couple of years.

There is also an attribute gate in R-A which should be removed if this lands.
This commit is contained in:
Matthias Krüger 2024-02-06 22:45:42 +01:00 • committed by GitHub
commit 59ba8024af
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20 changed files with 19 additions and 120 deletions
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compiler/rustc_codegen_llvm/src/llvm/ffi.rs
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@ -184,7 +184,6 @@ pub enum AttributeKind {
SanitizeMemory = 22,
NonLazyBind = 23,
OptimizeNone = 24,
ReturnsTwice = 25,
ReadNone = 26,
SanitizeHWAddress = 28,
WillReturn = 29,