From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:02:58 +0200 Subject: Adding upstream version 1.64.0+dfsg1. Signed-off-by: Daniel Baumann --- .../regions-outlives-projection-trait-def.rs | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 src/test/ui/regions/regions-outlives-projection-trait-def.rs (limited to 'src/test/ui/regions/regions-outlives-projection-trait-def.rs') diff --git a/src/test/ui/regions/regions-outlives-projection-trait-def.rs b/src/test/ui/regions/regions-outlives-projection-trait-def.rs new file mode 100644 index 000000000..5c37a585a --- /dev/null +++ b/src/test/ui/regions/regions-outlives-projection-trait-def.rs @@ -0,0 +1,21 @@ +// Test that `>::Type: 'b`, where `trait Foo<'a> { Type: +// 'a; }`, does not require that `F: 'b`. + +// check-pass +#![allow(dead_code)] + +trait SomeTrait<'a> { + type Type: 'a; +} + +impl<'a: 'c, 'c, T> SomeTrait<'a> for &'c T where T: SomeTrait<'a> { + type Type = >::Type; + // ~~~~~~~~~~~~~~~~~~~~~~~~~~ + // | + // Note that this type must outlive 'a, due to the trait + // definition. If we fall back to OutlivesProjectionComponents + // here, then we would require that `T:'a`, which is too strong. +} + + +fn main() { } -- cgit v1.2.3