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633c92cd6d
as they can made to produce values whose types don't match their underlying layout types which can lead to ICEs on eval
22 lines
574 B
Rust
22 lines
574 B
Rust
// Regression test for #121534
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// Tests that no ICE occurs in KnownPanicsLint when it
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// evaluates an operation whose operands have different
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// layout types even though they have the same type.
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// This situation can be contrived through the use of
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// unions as in this test
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//@ build-pass
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union Union {
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u32_field: u32,
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i32_field: i32,
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}
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pub fn main() {
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let u32_variant = Union { u32_field: 2 };
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let i32_variant = Union { i32_field: 3 };
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let a = unsafe { u32_variant.u32_field };
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let b = unsafe { i32_variant.u32_field };
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let _diff = a - b;
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}
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