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Fix spurious test failure with panic=abort #113568

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merged 2 commits into from
Aug 7, 2023
Merged

Fix spurious test failure with panic=abort #113568

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d8fb568
fix spurious test failure with panic=abort
pietroalbini Jul 11, 2023
409d994
change test to use `if black_box(false)`
pietroalbini Aug 7, 2023
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12 changes: 6 additions & 6 deletions tests/ui/panic-handler/weak-lang-item-2.rs
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Original file line number Diff line number Diff line change
@@ -1,15 +1,15 @@
// run-pass
// aux-build:weak-lang-items.rs

// ignore-emscripten no threads support
// pretty-expanded FIXME #23616

extern crate weak_lang_items as other;

use std::thread;

fn main() {
let _ = thread::spawn(move|| {
other::foo()
});
// The goal of the test is just to make sure other::foo() is referenced at link time. Since
// the function panics, to prevent it from running we gate it behind an always-false `if` that
// is not going to be optimized away.
if std::hint::black_box(false) {
other::foo();
}
}