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Rollup merge of #92865 - jackh726:gats-outlives-no-static, r=nikomatsakis

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Ignore static lifetimes for GATs outlives lint

cc https://github.com/rust-lang/rust/issues/87479#issuecomment-1010484170

Also included a bit of cleanup of `ty_known_to_outlive` and `region_known_to_outlive`

r? `@nikomatsakis`
This commit is contained in:
Matthias Krüger 2022-01-15 11:28:25 +01:00 • committed by GitHub
commit cd93be0094
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2 changed files with 76 additions and 61 deletions
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13
src/test/ui/generic-associated-types/self-outlives-lint.rs
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@ -189,4 +189,17 @@ trait Trait: 'static {
fn make_assoc(_: &u32) -> Self::Assoc<'_>;
}
// We ignore `'static` lifetimes for any lints
trait StaticReturn<'a> {
type Y<'b>;
fn foo(&self) -> Self::Y<'static>;
}
// Same as above, but with extra method that takes GAT - just make sure this works
trait StaticReturnAndTakes<'a> {
type Y<'b>;
fn foo(&self) -> Self::Y<'static>;
fn bar<'b>(&self, arg: Self::Y<'b>);
}
fn main() {}