mirror of https://github.com/rust-lang/rust
29 lines
744 B
Rust
29 lines
744 B
Rust
//! The same as the non-ICE test, but const eval will run typeck of
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//! `get` before running wfcheck (as that may in itself trigger const
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//! eval again, and thus cause bogus cycles). This used to ICE because
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//! we asserted that an error had already been emitted.
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use std::ops::Deref;
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struct Foo(u32);
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impl Foo {
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const fn get<R: Deref<Target = Self>>(self: R) -> u32 {
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//~^ ERROR: `R` cannot be used as the type of `self`
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//~| ERROR destructor of `R` cannot be evaluated at compile-time
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self.0
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//~^ ERROR cannot call non-const fn `<R as Deref>::deref` in constant function
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}
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}
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const FOO: () = {
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let foo = Foo(1);
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foo.get::<&Foo>();
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};
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const BAR: [(); {
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FOO;
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0
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}] = [];
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fn main() {}
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