bors 3cfa4def7c Auto merge of #91403 - cjgillot:inherit-async, r=oli-obk ... Inherit lifetimes for async fn instead of duplicating them. The current desugaring of `async fn foo<'a>(&usize) -> &u8` is equivalent to ```rust fn foo<'a, '0>(&'0 usize) -> foo<'static, 'static>::Opaque<'a, '0, '_>; type foo<'_a, '_0>::Opaque<'a, '0, '1> = impl Future<Output = &'1 u8>; ``` following the RPIT model. Duplicating all the inherited lifetime parameters and setting the inherited version to `'static` makes lowering more complex and causes issues like #61949. This PR removes the duplication of inherited lifetimes to directly use ```rust fn foo<'a, '0>(&'0 usize) -> foo<'a, '0>::Opaque<'_>; type foo<'a, '0>::Opaque<'1> = impl Future<Output = &'1 u8>; ``` following the TAIT model. Fixes https://github.com/rust-lang/rust/issues/61949		2022-02-12 21:42:10 +00:00
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src	Auto merge of #91403 - cjgillot:inherit-async, r=oli-obk	2022-02-12 21:42:10 +00:00
Cargo.toml	Forbid hashing HIR outside of indexing.	2021-10-09 18:38:28 +02:00