Merging upstream version 1.68.2+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 33 insertions, 0 deletions

diff --git a/tests/ui/chalkify/impl_wf_2.rs b/tests/ui/chalkify/impl_wf_2.rs
new file mode 100644
index 000000000..325044ad6
--- /dev/null
+++ b/tests/ui/chalkify/impl_wf_2.rs
@@ -0,0 +1,33 @@
+// Split out of impl_wf.rs to work around rust aborting compilation early
+
+// compile-flags: -Z trait-solver=chalk
+
+trait Foo: Sized { }
+
+trait Bar {
+    type Item: Foo;
+}
+
+impl Foo for i32 { }
+
+// Implicit `T: Sized` bound.
+impl<T> Foo for Option<T> { }
+
+impl Bar for () {
+    type Item = i32;
+}
+
+impl<T> Bar for Option<T> {
+    type Item = Option<T>;
+}
+
+impl Bar for f32 {
+    type Item = f32;
+    //~^ ERROR the trait bound `f32: Foo` is not satisfied
+}
+
+trait Baz<U: ?Sized> where U: Foo { }
+
+impl Baz<i32> for i32 { }
+
+fn main() {}