36 lines
682 B
Rust
36 lines
682 B
Rust
// run-pass
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// needs-unwind
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// ignore-windows target requires uwtable
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// ignore-wasm32-bare no proper panic=unwind support
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// compile-flags: -C panic=unwind -C force-unwind-tables=n
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use std::panic::{self, AssertUnwindSafe};
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struct Increase<'a>(&'a mut u8);
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impl Drop for Increase<'_> {
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fn drop(&mut self) {
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*self.0 += 1;
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}
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}
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#[inline(never)]
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fn unwind() {
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panic!();
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}
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#[inline(never)]
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fn increase(count: &mut u8) {
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let _increase = Increase(count);
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unwind();
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}
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fn main() {
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let mut count = 0;
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assert!(panic::catch_unwind(AssertUnwindSafe(
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#[inline(never)]
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|| increase(&mut count)
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)).is_err());
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assert_eq!(count, 1);
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}
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