1 files changed, 73 insertions, 0 deletions
diff --git a/clang/test/SemaObjC/method-lookup-3.m b/clang/test/SemaObjC/method-lookup-3.m
new file mode 100644
index 0000000..b3d9c46
--- /dev/null
+++ b/clang/test/SemaObjC/method-lookup-3.m
@@ -0,0 +1,73 @@
+// RUN: %clang_cc1 -fsyntax-only -verify %s
+
+typedef struct { int y; } Abstract;
+
+typedef struct { int x; } Alternate;
+
+#define INTERFERE_TYPE Alternate*
+
+@protocol A
+@property Abstract *x; // expected-note {{using}}
+@end
+
+@interface B
+@property Abstract *y; // expected-note {{using}}
+@end
+
+@interface B (Category)
+@property Abstract *z; // expected-note {{using}}
+@end
+
+@interface InterferencePre
+-(void) x; // expected-note {{also found}}
+-(void) y; // expected-note {{also found}}
+-(void) z; // expected-note {{also found}}
+-(void) setX: (INTERFERE_TYPE) arg; 
+-(void) setY: (INTERFERE_TYPE) arg;
+-(void) setZ: (INTERFERE_TYPE) arg;
+@end
+
+void f0(id a0) {
+  Abstract *l = [a0 x]; // expected-warning {{multiple methods named 'x' found}} 
+}
+
+void f1(id a0) {
+  Abstract *l = [a0 y]; // expected-warning {{multiple methods named 'y' found}}
+}
+
+void f2(id a0) {
+  Abstract *l = [a0 z]; // expected-warning {{multiple methods named 'z' found}}
+}
+
+void f3(id a0, Abstract *a1) { 
+  [ a0 setX: a1];
+}
+
+void f4(id a0, Abstract *a1) { 
+  [ a0 setY: a1];
+}
+
+void f5(id a0, Abstract *a1) { 
+  [ a0 setZ: a1];
+}
+
+// pr7861
+void f6(id<A> a0) {
+  Abstract *l = [a0 x];
+}
+
+struct test3a { int x, y; };
+struct test3b { unsigned x, y; };
+@interface Test3A - (struct test3a) test3; @end
+@interface Test3B - (struct test3b) test3; @end
+void test3(id x) {
+  (void) [x test3];
+}
+
+struct test4a { int x, y; };
+struct test4b { float x, y; };
+@interface Test4A - (struct test4a) test4; @end //expected-note{{using}}
+@interface Test4B - (struct test4b) test4; @end //expected-note{{also found}}
+void test4(id x) {
+  (void) [x test4]; //expected-warning {{multiple methods named 'test4' found}}
+}