mirror of https://github.com/rust-lang/rust
26 lines
574 B
Rust
26 lines
574 B
Rust
// Checks that catch_unwind can be used if unwinding is already in progress.
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// Used to fail when standard library had been compiled with debug assertions,
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// due to incorrect assumption that a current thread is not panicking when
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// entering the catch_unwind.
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//
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//@ run-pass
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use std::panic::catch_unwind;
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#[derive(Default)]
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struct Guard;
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impl Drop for Guard {
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fn drop(&mut self) {
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let _ = catch_unwind(|| {});
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}
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}
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fn main() {
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#[cfg(panic = "unwind")]
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let _ = catch_unwind(|| {
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let _guard = Guard::default();
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panic!();
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});
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}
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