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compiler: Accept "improper" ctypes in extern "rust-cold" fn
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@ -1320,7 +1320,10 @@ impl<'a, 'tcx> ImproperCTypesVisitor<'a, 'tcx> {
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}
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fn is_internal_abi(&self, abi: SpecAbi) -> bool {
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matches!(abi, SpecAbi::Rust | SpecAbi::RustCall | SpecAbi::RustIntrinsic)
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matches!(
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abi,
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SpecAbi::Rust | SpecAbi::RustCall | SpecAbi::RustCold | SpecAbi::RustIntrinsic
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)
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}
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/// Find any fn-ptr types with external ABIs in `ty`.
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14
tests/ui/lint/rust-cold-fn-accept-improper-ctypes.rs
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14
tests/ui/lint/rust-cold-fn-accept-improper-ctypes.rs
Normal file
@ -0,0 +1,14 @@
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//@ check-pass
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#![feature(rust_cold_cc)]
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// extern "rust-cold" is a "Rust" ABI so we accept `repr(Rust)` types as arg/ret without warnings.
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pub extern "rust-cold" fn f(_: ()) -> Result<(), ()> {
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Ok(())
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}
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extern "rust-cold" {
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pub fn g(_: ()) -> Result<(), ()>;
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}
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fn main() {}
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