Don't warn on category implementing a method, if 
declated method in the class belongs to a synthesized
property getter/setter. // rdar://10014946


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138598 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaDeclObjC.cpp b/lib/Sema/SemaDeclObjC.cpp
index 03081be..af14aa4 100644
--- a/lib/Sema/SemaDeclObjC.cpp
+++ b/lib/Sema/SemaDeclObjC.cpp
@@ -1488,7 +1488,7 @@
         if (!WarnExactMatch)
           WarnConflictingTypedMethods(ImpMethodDecl, MethodDecl,
                                       isa<ObjCProtocolDecl>(CDecl));
-        else
+        else if (!MethodDecl->isSynthesized())
           WarnExactTypedMethods(ImpMethodDecl, MethodDecl,
                                isa<ObjCProtocolDecl>(CDecl));
       }
diff --git a/test/SemaObjC/protocol-implementing-class-methods.m b/test/SemaObjC/protocol-implementing-class-methods.m
index 6d68e8c..f08a5a9 100644
--- a/test/SemaObjC/protocol-implementing-class-methods.m
+++ b/test/SemaObjC/protocol-implementing-class-methods.m
@@ -26,3 +26,16 @@
 - (void) : (double) arg{}; // expected-warning {{category is implementing a method which will also be implemented by its primary class}}
 - (void) CEMeth {}; // expected-warning {{category is implementing a method which will also be implemented by its primary class}}
 @end
+
+// rdar://10014946
+typedef char BOOL;
+@interface I
+{
+  BOOL allowsDeleting;
+}
+@property (nonatomic, assign, readwrite) BOOL allowsDeleting;
+@end
+
+@implementation I(CAT)
+- (BOOL) allowsDeleting { return 1; }
+@end