// run-pass #![allow(unused_variables)] // This code was creating an ICE in the MIR type checker. The reason // is that we are reifying a reference to a function (`foo::<'x>`), // which involves extracting its signature, but we were not // normalizing the signature afterwards. As a result, we sometimes got // errors around the `>::Value`, which can be // normalized to `f64`. #![allow(dead_code)] trait Foo<'x> { type Value; } impl<'x> Foo<'x> for u32 { type Value = f64; } struct Providers<'x> { foo: for<'y> fn(x: &'x u32, y: &'y u32) -> >::Value, } fn foo<'y, 'x: 'x>(x: &'x u32, y: &'y u32) -> >::Value { *x as f64 } fn main() { Providers { foo }; }