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16 lines
305 B
Rust
16 lines
305 B
Rust
// compile-flags: -O
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#![crate_type = "lib"]
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// Test that LLVM can eliminate the impossible `i == 0` check.
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// CHECK-LABEL: @issue_75546
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#[no_mangle]
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pub fn issue_75546() {
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let mut i = 1u32;
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while i < u32::MAX {
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// CHECK-NOT: panic
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if i == 0 { panic!(); }
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i += 1;
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}
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}
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