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Desugaring DropAndReplace at MIR build (#107844) fixed issue 70919. Add regressions tests, borrowed from #102078, to ensure we check for this in the future. Co-authored-by: Aaron Hill <aa1ronham@gmail.com>
26 lines
502 B
Rust
26 lines
502 B
Rust
// Regression test for issue #70919
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// Tests that we don't emit a spurious "borrow might be used" error
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// when we have an explicit `drop` in a loop
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// check-pass
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struct WrapperWithDrop<'a>(&'a mut bool);
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impl<'a> Drop for WrapperWithDrop<'a> {
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fn drop(&mut self) {
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}
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}
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fn drop_in_loop() {
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let mut base = true;
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let mut wrapper = WrapperWithDrop(&mut base);
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loop {
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drop(wrapper);
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base = false;
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wrapper = WrapperWithDrop(&mut base);
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}
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}
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fn main() {
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}
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