mirror of https://github.com/rust-lang/rust
25 lines
354 B
Rust
25 lines
354 B
Rust
//@ test-mir-pass: GVN
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//@ compile-flags: -O
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// EMIT_MIR_FOR_EACH_PANIC_STRATEGY
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// skip-filecheck
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#![feature(never_type)]
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#[derive(Copy, Clone)]
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pub enum E {
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A(!, u32),
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}
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pub union U {
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i: u32,
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e: E,
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}
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// EMIT_MIR gvn_uninhabited.f.GVN.diff
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pub const fn f() -> u32 {
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let E::A(_, i) = unsafe { (&U { i: 0 }).e };
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i
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}
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fn main() {}
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