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29 lines
721 B
Rust
29 lines
721 B
Rust
// stderr-per-bitwidth
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const fn foo() -> ! {
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unsafe { std::mem::transmute(()) }
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//~^ ERROR evaluation of constant value failed
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//~| WARN the type `!` does not permit zero-initialization [invalid_value]
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}
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// Type defined in a submodule, so that it is not "visibly"
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// uninhabited (which would change interpreter behavior).
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pub mod empty {
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#[derive(Clone, Copy)]
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enum Void {}
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#[derive(Clone, Copy)]
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pub struct Empty(Void);
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}
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const FOO: [empty::Empty; 3] = [foo(); 3];
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const BAR: [empty::Empty; 3] = [unsafe { std::mem::transmute(()) }; 3];
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//~^ ERROR evaluation of constant value failed
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//~| WARN the type `empty::Empty` does not permit zero-initialization
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fn main() {
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FOO;
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BAR;
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}
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