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22 lines
445 B
Rust
22 lines
445 B
Rust
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// Regression test for SimplifyBranchSame miscompilation.
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//@ run-pass
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macro_rules! m {
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($a:expr, $b:expr, $c:block) => {
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match $a {
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Lto::Fat | Lto::Thin => { $b; (); $c }
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Lto::No => { $b; () }
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}
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}
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}
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pub enum Lto { No, Thin, Fat }
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fn f(mut cookie: u32, lto: Lto) -> u32 {
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let mut _a = false;
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m!(lto, _a = true, {cookie = 0});
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cookie
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}
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fn main() { assert_eq!(f(42, Lto::Thin), 0) }
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