Fix lookup for class messages sent to qualified-class

types such that protocols are seached first. Fixes
// rdar://9224670

llvm-svn: 129016

1 files changed, 34 insertions, 0 deletions

diff --git a/clang/test/SemaObjC/class-message-protocol-lookup.m b/clang/test/SemaObjC/class-message-protocol-lookup.m
new file mode 100644
index 00000000000..ae64ea86804
--- /dev/null
+++ b/clang/test/SemaObjC/class-message-protocol-lookup.m
@@ -0,0 +1,34 @@
+// RUN: %clang_cc1  -fsyntax-only -verify %s
+// rdar://9224670
+
+@interface RandomObject {
+@private
+}
++ (id)alloc;
+@end
+
+@protocol TestProtocol
+- (void)nothingInteresting;
+@end
+
+@protocol Test2Protocol
++ (id)alloc;
+- (id)alloc2; // expected-note 2 {{method declared here}}
+@end
+
+@implementation RandomObject
+- (void) Meth {
+    Class<TestProtocol> c = [c alloc]; //  expected-warning {{class method '+alloc' not found (return type defaults to 'id')}}
+    Class<Test2Protocol> c1 = [c1 alloc2]; //  expected-warning {{instance method 'alloc2' found instead of class method 'alloc2'}}
+    Class<Test2Protocol> c2 = [c2 alloc]; //  ok
+}
++ (id)alloc { return 0; }
+@end
+
+int main ()
+{
+    Class<TestProtocol> c = [c alloc]; //  expected-warning {{class method '+alloc' not found (return type defaults to 'id')}}
+    Class<Test2Protocol> c1 = [c1 alloc2]; //  expected-warning {{instance method 'alloc2' found instead of class method 'alloc2'}}
+    Class<Test2Protocol> c2 = [c2 alloc]; //  ok
+    return 0;
+}