1 files changed, 19 insertions, 0 deletions
diff --git a/src/test/ui/compare-method/reordered-type-param.rs b/src/test/ui/compare-method/reordered-type-param.rs
new file mode 100644
index 000000000..a858b66d7
--- /dev/null
+++ b/src/test/ui/compare-method/reordered-type-param.rs
@@ -0,0 +1,19 @@
+// Tests that ty params get matched correctly when comparing
+// an impl against a trait
+//
+// cc #26111
+
+trait A {
+  fn b<C:Clone,D>(&self, x: C) -> C;
+}
+
+struct E {
+ f: isize
+}
+
+impl A for E {
+  // n.b. The error message is awful -- see #3404
+  fn b<F:Clone,G>(&self, _x: G) -> G { panic!() } //~ ERROR method `b` has an incompatible type
+}
+
+fn main() {}