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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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3
compiler/rustc_codegen_ssa/src/codegen_attrs.rs
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@ -103,9 +103,6 @@ fn codegen_fn_attrs(tcx: TyCtxt<'_>, did: LocalDefId) -> CodegenFnAttrs {
match name {
sym::cold => codegen_fn_attrs.flags |= CodegenFnAttrFlags::COLD,
sym::rustc_allocator => codegen_fn_attrs.flags |= CodegenFnAttrFlags::ALLOCATOR,
sym::ffi_returns_twice => {
codegen_fn_attrs.flags |= CodegenFnAttrFlags::FFI_RETURNS_TWICE
}
sym::ffi_pure => codegen_fn_attrs.flags |= CodegenFnAttrFlags::FFI_PURE,
sym::ffi_const => codegen_fn_attrs.flags |= CodegenFnAttrFlags::FFI_CONST,
sym::rustc_nounwind => codegen_fn_attrs.flags |= CodegenFnAttrFlags::NEVER_UNWIND,