17 lines
563 B
Rust
17 lines
563 B
Rust
// error-pattern: calling a function with ABI C-unwind using caller ABI C
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#![feature(c_unwind)]
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//! Unwinding when the caller ABI is "C" (without "-unwind") is UB.
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//! Currently we detect the ABI mismatch; we could probably allow such calls in principle one day
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//! but then we have to detect the unexpected unwinding.
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extern "C-unwind" fn unwind() {
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panic!();
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}
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fn main() {
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let unwind: extern "C-unwind" fn() = unwind;
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let unwind: extern "C" fn() = unsafe { std::mem::transmute(unwind) };
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std::panic::catch_unwind(|| unwind()).unwrap_err();
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}
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