From: Fariborz Jahanian <fjahanian@apple.com>
Date: Thu, 2 Jan 2014 17:24:32 +0000 (+0000)
Subject: ObjectiveC. Class methods must be ignored when looking for
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=c2f5c3c85f3dc3ea39cc6ee00d89a231f955d8e2;p=clang

ObjectiveC. Class methods must be ignored when looking for
property accessor's missing backing ivar. This eliminates
the bogus warning being issued. // rdar://15728901


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@198322 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Sema/SemaDeclObjC.cpp b/lib/Sema/SemaDeclObjC.cpp
index 078a0e3ab9..7024cf6cb3 100644
--- a/lib/Sema/SemaDeclObjC.cpp
+++ b/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;
diff --git a/test/SemaObjC/unsued-backing-ivar-warning.m b/test/SemaObjC/unsued-backing-ivar-warning.m
index df3ede75af..9861d5048f 100644
--- a/test/SemaObjC/unsued-backing-ivar-warning.m
+++ b/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