1 files changed, 16 insertions, 0 deletions
diff --git a/src/test/ui/functions-closures/fn-help-with-err.rs b/src/test/ui/functions-closures/fn-help-with-err.rs
new file mode 100644
index 000000000..3d2bcb8ad
--- /dev/null
+++ b/src/test/ui/functions-closures/fn-help-with-err.rs
@@ -0,0 +1,16 @@
+// This test case checks the behavior of typeck::check::method::suggest::is_fn on Ty::Error.
+fn main() {
+    let arc = std::sync::Arc::new(oops);
+    //~^ ERROR cannot find value `oops` in this scope
+    //~| NOTE not found
+    // The error "note: this is a function, perhaps you wish to call it" MUST NOT appear.
+    arc.blablabla();
+    //~^ ERROR no method named `blablabla`
+    //~| NOTE method not found
+    let arc2 = std::sync::Arc::new(|| 1);
+    // The error "note: this is a function, perhaps you wish to call it" SHOULD appear
+    arc2.blablabla();
+    //~^ ERROR no method named `blablabla`
+    //~| NOTE method not found
+    //~| NOTE this is a function, perhaps you wish to call it
+}