1 files changed, 11 insertions, 0 deletions
diff --git a/src/test/ui/binop/issue-77910-1.rs b/src/test/ui/binop/issue-77910-1.rs
new file mode 100644
index 000000000..d786e3358
--- /dev/null
+++ b/src/test/ui/binop/issue-77910-1.rs
@@ -0,0 +1,11 @@
+fn foo(s: &i32) -> &i32 {
+    let xs;
+    xs
+}
+fn main() {
+    let y;
+    // we shouldn't ice with the bound var here.
+    assert_eq!(foo, y);
+    //~^ ERROR binary operation `==` cannot be applied to type
+    //~| ERROR `for<'r> fn(&'r i32) -> &'r i32 {foo}` doesn't implement `Debug`
+}