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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
commit | 218caa410aa38c29984be31a5229b9fa717560ee (patch) | |
tree | c54bd55eeb6e4c508940a30e94c0032fbd45d677 /tests/ui/issues/issue-27401-dropflag-reinit.rs | |
parent | Releasing progress-linux version 1.67.1+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-218caa410aa38c29984be31a5229b9fa717560ee.tar.xz rustc-218caa410aa38c29984be31a5229b9fa717560ee.zip |
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/issues/issue-27401-dropflag-reinit.rs')
-rw-r--r-- | tests/ui/issues/issue-27401-dropflag-reinit.rs | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/tests/ui/issues/issue-27401-dropflag-reinit.rs b/tests/ui/issues/issue-27401-dropflag-reinit.rs new file mode 100644 index 000000000..ab54af29b --- /dev/null +++ b/tests/ui/issues/issue-27401-dropflag-reinit.rs @@ -0,0 +1,26 @@ +// run-pass + +// Check that when a `let`-binding occurs in a loop, its associated +// drop-flag is reinitialized (to indicate "needs-drop" at the end of +// the owning variable's scope). + +struct A<'a>(&'a mut i32); + +impl<'a> Drop for A<'a> { + fn drop(&mut self) { + *self.0 += 1; + } +} + +fn main() { + let mut cnt = 0; + for i in 0..2 { + let a = A(&mut cnt); + if i == 1 { // Note that + break; // both this break + } // and also + drop(a); // this move of `a` + // are necessary to expose the bug + } + assert_eq!(cnt, 2); +} |