mirror of https://github.com/rust-lang/rust
21 lines
400 B
Rust
21 lines
400 B
Rust
#[repr(C)]
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union Bar {
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a: &'static u8,
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b: usize,
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}
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const fn bar() -> u8 {
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unsafe {
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// this will error as long as this test
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// is run on a system whose pointers need more
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// than 8 bits
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Bar { a: &42 }.b as u8
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}
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}
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fn main() {
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let x: &'static u8 = &(bar() + 1); //~ ERROR temporary value dropped while borrowed
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let y = *x;
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unreachable!();
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}
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