80c3bec9fe
Previously the debug assertions in the implementation of catch_unwind used to verify consistency of the panic count by checking that the count is zero just before leaving the function. This incorrectly assumed that no panic was in progress when entering `catch_unwind`.
27 lines
620 B
Rust
27 lines
620 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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// ignore-wasm no panic support
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// ignore-emscripten no panic support
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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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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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