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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/test/run-pass-valgrind/cleanup-auto-borrow-obj.rs | |
parent | Initial commit. (diff) | |
download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/test/run-pass-valgrind/cleanup-auto-borrow-obj.rs | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/src/test/run-pass-valgrind/cleanup-auto-borrow-obj.rs b/src/test/run-pass-valgrind/cleanup-auto-borrow-obj.rs new file mode 100644 index 000000000..fb2b4d476 --- /dev/null +++ b/src/test/run-pass-valgrind/cleanup-auto-borrow-obj.rs @@ -0,0 +1,27 @@ +// This would previously leak the Box<Trait> because we wouldn't +// schedule cleanups when auto borrowing trait objects. +// This program should be valgrind clean. + +#![feature(box_syntax)] + +static mut DROP_RAN: bool = false; + +struct Foo; +impl Drop for Foo { + fn drop(&mut self) { + unsafe { DROP_RAN = true; } + } +} + + +trait Trait { fn dummy(&self) { } } +impl Trait for Foo {} + +pub fn main() { + { + let _x: &Trait = &*(box Foo as Box<Trait>); + } + unsafe { + assert!(DROP_RAN); + } +} |