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 --- .../coherence/coherence-projection-conflict-orphan.rs | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) create mode 100644 src/test/ui/coherence/coherence-projection-conflict-orphan.rs (limited to 'src/test/ui/coherence/coherence-projection-conflict-orphan.rs') diff --git a/src/test/ui/coherence/coherence-projection-conflict-orphan.rs b/src/test/ui/coherence/coherence-projection-conflict-orphan.rs new file mode 100644 index 000000000..637dd2506 --- /dev/null +++ b/src/test/ui/coherence/coherence-projection-conflict-orphan.rs @@ -0,0 +1,19 @@ +#![feature(rustc_attrs)] + +// Here we expect a coherence conflict because, even though `i32` does +// not implement `Iterator`, we cannot rely on that negative reasoning +// due to the orphan rules. Therefore, `A::Item` may yet turn out to +// be `i32`. + +pub trait Foo

{ fn foo() {} } + +pub trait Bar { + type Output: 'static; +} + +impl Foo for i32 { } + +impl Foo for A { } +//~^ ERROR E0119 + +fn main() {} -- cgit v1.2.3