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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:41 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:41 +0000 |
commit | 4f9fe856a25ab29345b90e7725509e9ee38a37be (patch) | |
tree | e4ffd8a9374cae7b21f7cbfb352927e0e074aff6 /tests/mir-opt/copy-prop/issue_107511.rs | |
parent | Adding upstream version 1.68.2+dfsg1. (diff) | |
download | rustc-upstream/1.69.0+dfsg1.tar.xz rustc-upstream/1.69.0+dfsg1.zip |
Adding upstream version 1.69.0+dfsg1.upstream/1.69.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | tests/mir-opt/copy-prop/issue_107511.rs | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/tests/mir-opt/copy-prop/issue_107511.rs b/tests/mir-opt/copy-prop/issue_107511.rs new file mode 100644 index 000000000..d593f2872 --- /dev/null +++ b/tests/mir-opt/copy-prop/issue_107511.rs @@ -0,0 +1,13 @@ +// unit-test: CopyProp + +// EMIT_MIR issue_107511.main.CopyProp.diff +fn main() { + let mut sum = 0; + let a = [0, 10, 20, 30]; + + // `i` is assigned in a loop. Only removing its `StorageDead` would mean that + // execution sees repeated `StorageLive`. This would be UB. + for i in 0..a.len() { + sum += a[i]; + } +} |