mirror of https://github.com/rust-lang/rust
27 lines
554 B
Rust
27 lines
554 B
Rust
// skip-filecheck
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// Checks that `SimplifyArmIdentity` is not applied if enums have incompatible layouts.
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// Regression test for issue #66856.
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//
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//@ compile-flags: -Zmir-opt-level=3
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// EMIT_MIR_FOR_EACH_BIT_WIDTH
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//@ ignore-test This pass is broken since deaggregation changed
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enum Src {
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Foo(u8),
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Bar,
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}
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enum Dst {
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Foo(u8),
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}
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// EMIT_MIR simplify_arm_identity.main.SimplifyArmIdentity.diff
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fn main() {
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let e: Src = Src::Foo(0);
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let _: Dst = match e {
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Src::Foo(x) => Dst::Foo(x),
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Src::Bar => Dst::Foo(0),
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};
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}
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