ObjectiveC. Class methods must be ignored when looking for

property accessor's missing backing ivar. This eliminates
the bogus warning being issued. // rdar://15728901

llvm-svn: 198322

clang/lib/Sema/SemaDeclObjC.cpp

@@ -3489,7 +3489,8 @@ void Sema::DiagnoseUseOfUnimplementedSelectors() {
 ObjCIvarDecl *
 Sema::GetIvarBackingPropertyAccessor(const ObjCMethodDecl *Method,
                                      const ObjCPropertyDecl *&PDecl) const {
-  
+  if (Method->isClassMethod())
+    return 0;
   const ObjCInterfaceDecl *IDecl = Method->getClassInterface();
   if (!IDecl)
     return 0;

clang/test/SemaObjC/unsued-backing-ivar-warning.m

@@ -91,3 +91,16 @@ typedef char BOOL;
 }
 @end
 
+// rdar://15728901
+@interface GATTOperation : NSObject {
+    long operation;
+}
+@property(assign) long operation;
+@end
+
+@implementation GATTOperation
+@synthesize operation;
++ (id) operation {
+    return 0;
+}
+@end