Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1

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

1 files changed, 20 insertions, 0 deletions

diff --git a/src/test/ui/where-clauses/where-clauses-method-unsatisfied.rs b/src/test/ui/where-clauses/where-clauses-method-unsatisfied.rs
new file mode 100644
index 000000000..a8ae02964
--- /dev/null
+++ b/src/test/ui/where-clauses/where-clauses-method-unsatisfied.rs
@@ -0,0 +1,20 @@
+// Test that a where clause attached to a method allows us to add
+// additional constraints to a parameter out of scope.
+
+struct Foo<T> {
+    value: T
+}
+
+struct Bar; // does not implement Eq
+
+impl<T> Foo<T> {
+    fn equals(&self, u: &Foo<T>) -> bool where T : Eq {
+        self.value == u.value
+    }
+}
+
+fn main() {
+    let x = Foo { value: Bar };
+    x.equals(&x);
+    //~^ ERROR `Bar: Eq` is not satisfied
+}