1 files changed, 94 insertions, 0 deletions
diff --git a/clang/test/SemaObjC/protocol-id-test-3.m b/clang/test/SemaObjC/protocol-id-test-3.m
new file mode 100644
index 0000000..624bab0
--- /dev/null
+++ b/clang/test/SemaObjC/protocol-id-test-3.m
@@ -0,0 +1,94 @@
+// RUN: %clang_cc1 -pedantic -fsyntax-only -verify %s
+
+@protocol MyProto1 
+@end
+
+@protocol MyProto2 
+@end
+
+@interface INTF @end
+
+id<MyProto1> Func(INTF <MyProto1, MyProto2> *p2) // expected-note 2{{passing argument to parameter 'p2' here}}
+{
+	return p2;
+}
+
+
+
+
+ id<MyProto1> Gunc(id <MyProto1, MyProto2>p2)
+{
+	return p2;
+}
+
+
+ id<MyProto1> Gunc1(id <MyProto1, MyProto2>p2)
+{
+	return p2;
+}
+
+id<MyProto1, MyProto2> Gunc2(id <MyProto1>p2)
+{
+	Func(p2);	// expected-warning {{passing 'id<MyProto1>' to parameter of incompatible type 'INTF<MyProto1,MyProto2> *'}}
+	return p2;	// expected-warning {{returning 'id<MyProto1>' from a function with incompatible result type 'id<MyProto1,MyProto2>'}}
+}
+
+
+
+id<MyProto1> Gunc3(id <MyProto2>p2)
+{
+	return p2;	 // expected-warning {{returning 'id<MyProto2>' from a function with incompatible result type 'id<MyProto1>'}}
+}
+
+
+id<MyProto1, MyProto2> Gunc4(id <MyProto2, MyProto1>p2)
+{
+	return p2;
+}
+
+
+
+INTF<MyProto1> * Hunc(id <MyProto1, MyProto2>p2)
+{
+	return p2;
+}
+
+
+INTF<MyProto1> * Hunc1(id <MyProto1, MyProto2>p2)
+{
+	return p2;
+}
+
+INTF<MyProto1, MyProto2> * Hunc2(id <MyProto1>p2)
+{
+	Func(p2);	// expected-warning {{passing 'id<MyProto1>' to parameter of incompatible type 'INTF<MyProto1,MyProto2> *'}}
+	return p2;	// expected-warning {{returning 'id<MyProto1>' from a function with incompatible result type 'INTF<MyProto1,MyProto2> *'}}
+}
+
+INTF<MyProto1> * Hunc3(id <MyProto2>p2)
+{
+	return p2;	 // expected-warning {{returning 'id<MyProto2>' from a function with incompatible result type 'INTF<MyProto1> *'}}
+}
+
+
+INTF<MyProto1, MyProto2> * Hunc4(id <MyProto2, MyProto1>p2)
+{
+	return p2;
+}
+
+id Iunc(id <MyProto1, MyProto2>p2)
+{
+	return p2;
+}
+
+
+id<MyProto1> Iunc1(id p2)
+{
+	return p2;
+}
+
+id<MyProto1, MyProto2> Iunc2(id p2)
+{
+	Iunc(p2);	
+	return p2;
+}