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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/borrowck/issue-52713-bug.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/borrowck/issue-52713-bug.rs')
-rw-r--r-- | tests/ui/borrowck/issue-52713-bug.rs | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/tests/ui/borrowck/issue-52713-bug.rs b/tests/ui/borrowck/issue-52713-bug.rs new file mode 100644 index 000000000..671e83dfa --- /dev/null +++ b/tests/ui/borrowck/issue-52713-bug.rs @@ -0,0 +1,17 @@ +// Regression test for a bug in #52713: this was an optimization for +// computing liveness that wound up accidentally causing the program +// below to be accepted. + +fn foo<'a>(x: &'a mut u32) -> u32 { + let mut x = 22; + let y = &x; + if false { + return x; + } + + x += 1; //~ ERROR + println!("{}", y); + return 0; +} + +fn main() { } |