1 files changed, 56 insertions, 0 deletions
diff --git a/gcc/testsuite/obj-c++.dg/lookup-2.mm b/gcc/testsuite/obj-c++.dg/lookup-2.mm
new file mode 100644
index 00000000000..f694ec9301c
--- /dev/null
+++ b/gcc/testsuite/obj-c++.dg/lookup-2.mm
@@ -0,0 +1,56 @@
+/* { dg-do run } */
+
+#include <objc/Object.h>
+#include <stdlib.h>
+
+class MyWidget {
+ public:
+  int a;
+  MyWidget(void) { a = 17; }
+};
+
+MyWidget gWidget;
+
+@protocol MyProto
+- (MyWidget *)widget;
+@end
+
+@interface Foo: Object
+@end
+
+@interface Bar: Foo <MyProto>
+@end
+
+@interface Container: Object
++ (MyWidget *)elementForView:(Foo *)view;
+@end
+
+@implementation Foo
+@end
+
+@implementation Bar
+- (MyWidget *)widget {
+  return &gWidget;
+}
+@end
+
+@implementation Container
++ (MyWidget *)elementForView:(Foo *)view
+{
+    MyWidget *widget = nil;
+    if ([view conformsTo:@protocol(MyProto)]) {
+        widget = [(Foo <MyProto> *)view widget];
+    }
+    return widget;
+}
+@end
+
+int main(void) {
+  id view = [Bar new];
+  MyWidget *w = [Container elementForView: view];
+
+  if (!w || w->a != 17)
+    abort ();
+
+  return 0;
+}