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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/ui/cleanup-shortcircuit.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 'src/test/ui/cleanup-shortcircuit.rs')
-rw-r--r-- | src/test/ui/cleanup-shortcircuit.rs | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/src/test/ui/cleanup-shortcircuit.rs b/src/test/ui/cleanup-shortcircuit.rs new file mode 100644 index 000000000..fe867ce1f --- /dev/null +++ b/src/test/ui/cleanup-shortcircuit.rs @@ -0,0 +1,24 @@ +// run-pass +// Test that cleanups for the RHS of shortcircuiting operators work. + +// pretty-expanded FIXME #23616 + +#![allow(deref_nullptr)] + + +use std::env; + +pub fn main() { + let args: Vec<String> = env::args().collect(); + + // Here, the rvalue `"signal".to_string()` requires cleanup. Older versions + // of the code had a problem that the cleanup scope for this + // expression was the end of the `if`, and as the `"signal".to_string()` + // expression was never evaluated, we wound up trying to clean + // uninitialized memory. + + if args.len() >= 2 && args[1] == "signal" { + // Raise a segfault. + unsafe { *std::ptr::null_mut::<isize>() = 0; } + } +} |