mirror of https://github.com/rust-lang/rust
19 lines
360 B
Rust
19 lines
360 B
Rust
#![feature(const_mut_refs)]
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enum E {
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A(u8),
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B,
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}
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const _: u8 = {
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let mut e = E::A(1);
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let p = if let E::A(x) = &mut e { x as *mut u8 } else { unreachable!() };
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// Make sure overwriting `e` uninitializes other bytes
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e = E::B;
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unsafe { *p }
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//~^ ERROR evaluation of constant value failed
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//~| uninitialized
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};
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fn main() {}
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