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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:50 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:50 +0000 |
commit | 2e00214b3efbdfeefaa0fe9e8b8fd519de7adc35 (patch) | |
tree | d325add32978dbdc1db975a438b3a77d571b1ab8 /tests/mir-opt/copy-prop/cycle.rs | |
parent | Releasing progress-linux version 1.68.2+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-2e00214b3efbdfeefaa0fe9e8b8fd519de7adc35.tar.xz rustc-2e00214b3efbdfeefaa0fe9e8b8fd519de7adc35.zip |
Merging upstream version 1.69.0+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/mir-opt/copy-prop/cycle.rs')
-rw-r--r-- | tests/mir-opt/copy-prop/cycle.rs | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/tests/mir-opt/copy-prop/cycle.rs b/tests/mir-opt/copy-prop/cycle.rs new file mode 100644 index 000000000..b74c39726 --- /dev/null +++ b/tests/mir-opt/copy-prop/cycle.rs @@ -0,0 +1,15 @@ +//! Tests that cyclic assignments don't hang CopyProp, and result in reasonable code. +// unit-test: CopyProp +fn val() -> i32 { + 1 +} + +// EMIT_MIR cycle.main.CopyProp.diff +fn main() { + let mut x = val(); + let y = x; + let z = y; + x = z; + + drop(x); +} |