Merging upstream version 1.68.2+dfsg1.

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

1 files changed, 19 insertions, 0 deletions

diff --git a/tests/ui/chalkify/super_trait.rs b/tests/ui/chalkify/super_trait.rs
new file mode 100644
index 000000000..540ae51e5
--- /dev/null
+++ b/tests/ui/chalkify/super_trait.rs
@@ -0,0 +1,19 @@
+// run-pass
+// compile-flags: -Z trait-solver=chalk
+
+trait Foo { }
+trait Bar: Foo { }
+
+impl Foo for i32 { }
+impl Bar for i32 { }
+
+fn only_foo<T: Foo>() { }
+
+fn only_bar<T: Bar>() {
+    // `T` implements `Bar` hence `T` must also implement `Foo`
+    only_foo::<T>()
+}
+
+fn main() {
+    only_bar::<i32>()
+}