f783871ab1
correctly deal with late-bound lifetimes in anon consts
adds support for using late bound lifetimes of the parent context in anon consts.
```rust
#![feature(const_generics)]
const fn inner<'a>() -> usize where &'a (): Sized { 3 }
fn test<'a>() {
let _: [u8; inner::<'a>()];
}
```
The lifetime `'a` is late bound in `test` so it's not included in its generics but is instead dealt with separately in borrowck.
This didn't previously work for anon consts as they have to use the late bound lifetimes of their parent which has
to be explicitly handled.
r? ```@matthewjasper``` cc ```@varkor``` ```@eddyb```
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| Cargo.toml | ||