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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:18:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:18:58 +0000 |
commit | a4b7ed7a42c716ab9f05e351f003d589124fd55d (patch) | |
tree | b620cd3f223850b28716e474e80c58059dca5dd4 /tests/codegen/issue-75546.rs | |
parent | Adding upstream version 1.67.1+dfsg1. (diff) | |
download | rustc-a4b7ed7a42c716ab9f05e351f003d589124fd55d.tar.xz rustc-a4b7ed7a42c716ab9f05e351f003d589124fd55d.zip |
Adding upstream version 1.68.2+dfsg1.upstream/1.68.2+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/codegen/issue-75546.rs')
-rw-r--r-- | tests/codegen/issue-75546.rs | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/tests/codegen/issue-75546.rs b/tests/codegen/issue-75546.rs new file mode 100644 index 000000000..470a9e040 --- /dev/null +++ b/tests/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; + } +} |