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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/codegen/issue-75546.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/codegen/issue-75546.rs | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/test/codegen/issue-75546.rs b/src/test/codegen/issue-75546.rs new file mode 100644 index 000000000..470a9e040 --- /dev/null +++ b/src/test/codegen/issue-75546.rs @@ -0,0 +1,15 @@ +// compile-flags: -O +#![crate_type = "lib"] + +// Test that LLVM can eliminate the impossible `i == 0` check. + +// CHECK-LABEL: @issue_75546 +#[no_mangle] +pub fn issue_75546() { + let mut i = 1u32; + while i < u32::MAX { + // CHECK-NOT: panic + if i == 0 { panic!(); } + i += 1; + } +} |