29 lines
757 B
Rust
29 lines
757 B
Rust
//@ compile-flags: -Zunleash-the-miri-inside-of-you
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fn double(x: usize) -> usize {
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x * 2
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}
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const X: fn(usize) -> usize = double;
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const fn bar(x: fn(usize) -> usize, y: usize) -> usize {
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x(y)
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//~^ NOTE inside `bar`
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//~| NOTE the failure occurred here
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//~| NOTE inside `bar`
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//~| NOTE the failure occurred here
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}
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const Y: usize = bar(X, 2); // FIXME: should fail to typeck someday
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//~^ ERROR evaluation of constant value failed
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//~| NOTE calling non-const function `double`
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const Z: usize = bar(double, 2); // FIXME: should fail to typeck someday
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//~^ ERROR evaluation of constant value failed
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//~| NOTE calling non-const function `double`
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fn main() {
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assert_eq!(Y, 4);
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assert_eq!(Z, 4);
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}
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//~? WARN skipping const checks
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