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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-4734.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-4734.rs')
-rw-r--r-- | tests/ui/issues/issue-4734.rs | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/tests/ui/issues/issue-4734.rs b/tests/ui/issues/issue-4734.rs new file mode 100644 index 000000000..29c965d7f --- /dev/null +++ b/tests/ui/issues/issue-4734.rs @@ -0,0 +1,37 @@ +// run-pass +#![allow(dead_code)] +// Ensures that destructors are run for expressions of the form "e;" where +// `e` is a type which requires a destructor. + + +#![allow(path_statements)] + +struct A { n: isize } +struct B; + +static mut NUM_DROPS: usize = 0; + +impl Drop for A { + fn drop(&mut self) { + unsafe { NUM_DROPS += 1; } + } +} + +impl Drop for B { + fn drop(&mut self) { + unsafe { NUM_DROPS += 1; } + } +} + +fn main() { + assert_eq!(unsafe { NUM_DROPS }, 0); + { let _a = A { n: 1 }; } + assert_eq!(unsafe { NUM_DROPS }, 1); + { A { n: 3 }; } + assert_eq!(unsafe { NUM_DROPS }, 2); + + { let _b = B; } + assert_eq!(unsafe { NUM_DROPS }, 3); + { B; } + assert_eq!(unsafe { NUM_DROPS }, 4); +} |