mirror of https://github.com/rust-lang/rust
30 lines
587 B
Rust
30 lines
587 B
Rust
// skip-filecheck
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//@ compile-flags: -Z mir-opt-level=1
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// Regression test for #72181, this ICE requires `-Z mir-opt-level=1` flags.
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use std::mem;
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#[derive(Copy, Clone)]
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enum Never {}
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union Foo {
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a: u64,
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b: Never
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}
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// EMIT_MIR issue_72181.foo.built.after.mir
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fn foo(xs: [(Never, u32); 1]) -> u32 { xs[0].1 }
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// EMIT_MIR issue_72181.bar.built.after.mir
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fn bar([(_, x)]: [(Never, u32); 1]) -> u32 { x }
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// EMIT_MIR issue_72181.main.built.after.mir
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fn main() {
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let _ = mem::size_of::<Foo>();
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let f = [Foo { a: 42 }, Foo { a: 10 }];
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let _ = unsafe { f[0].a };
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}
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