diff --git a/clang/lib/Sema/SemaExpr.cpp b/clang/lib/Sema/SemaExpr.cpp
index 9cb8b98f7043..4f085d2e4371 100644
--- a/clang/lib/Sema/SemaExpr.cpp
+++ b/clang/lib/Sema/SemaExpr.cpp
@@ -635,14 +635,26 @@ ActOnMemberReferenceExpr(ExprTy *Base, SourceLocation OpLoc,
       (IFTy = PTy->getPointeeType()->getAsObjCInterfaceType())) {
     ObjCInterfaceDecl *IFace = IFTy->getDecl();
     
+    // FIXME: The logic for looking up nullary and unary selectors should be
+    // shared with the code in ActOnInstanceMessage.
+    
     // Before we look for explicit property declarations, we check for
     // nullary methods (which allow '.' notation).
     Selector Sel = PP.getSelectorTable().getNullarySelector(&Member);
-    
     if (ObjCMethodDecl *MD = IFace->lookupInstanceMethod(Sel))
       return new ObjCPropertyRefExpr(MD, MD->getResultType(), 
                                      MemberLoc, BaseExpr);
     
+    // If this reference is in an @implementation, check for 'private' methods.
+    if (ObjCMethodDecl *CurMeth = getCurMethodDecl()) {
+      if (ObjCInterfaceDecl *ClassDecl = CurMeth->getClassInterface())
+        if (ObjCImplementationDecl *ImpDecl = 
+              ObjCImplementations[ClassDecl->getIdentifier()])
+          if (ObjCMethodDecl *MD = ImpDecl->getInstanceMethod(Sel))
+            return new ObjCPropertyRefExpr(MD, MD->getResultType(), 
+                                           MemberLoc, BaseExpr);
+    }      
+    
     // FIXME: Need to deal with setter methods that take 1 argument. E.g.:
     // @interface NSBundle : NSObject {}
     // - (NSString *)bundlePath;
diff --git a/clang/lib/Sema/SemaExprObjC.cpp b/clang/lib/Sema/SemaExprObjC.cpp
index 99a7afdc1af3..56a1f812b15b 100644
--- a/clang/lib/Sema/SemaExprObjC.cpp
+++ b/clang/lib/Sema/SemaExprObjC.cpp
@@ -251,10 +251,9 @@ Sema::ExprResult Sema::ActOnInstanceMessage(ExprTy *receiver, Selector Sel,
   // Handle messages to Class.
   if (receiverType == Context.getObjCClassType().getCanonicalType()) {
     ObjCMethodDecl *Method = 0;
-    if (getCurMethodDecl()) {
-      ObjCInterfaceDecl* ClassDecl = getCurMethodDecl()->getClassInterface();
+    if (ObjCMethodDecl *CurMeth = getCurMethodDecl()) {
       // If we have an implementation in scope, check "private" methods.
-      if (ClassDecl)
+      if (ObjCInterfaceDecl *ClassDecl = CurMeth->getClassInterface())
         if (ObjCImplementationDecl *ImpDecl = 
               ObjCImplementations[ClassDecl->getIdentifier()])
           Method = ImpDecl->getClassMethod(Sel);
diff --git a/clang/test/Sema/objc-property-9-impl-method.m b/clang/test/Sema/objc-property-9-impl-method.m
new file mode 100644
index 000000000000..bb13d01b74ac
--- /dev/null
+++ b/clang/test/Sema/objc-property-9-impl-method.m
@@ -0,0 +1,63 @@
+// RUN: clang %s -fsyntax-only -verify
+// rdar://5967199
+
+typedef signed char BOOL;
+@class NSInvocation, NSMethodSignature, NSCoder, NSString, NSEnumerator;
+
+@protocol NSObject
+- (BOOL) isEqual:(id) object;
+@end
+
+@protocol NSCoding
+- (void) encodeWithCoder:(NSCoder *) aCoder;
+@end
+
+@interface NSObject < NSObject > {}
+@end
+
+typedef float CGFloat;
+typedef struct _NSPoint {} NSSize;
+typedef struct _NSRect {} NSRect;
+typedef enum { NSMinXEdge = 0, NSMinYEdge = 1, NSMaxXEdge = 2, NSMaxYEdge = 3} NSRectEdge;
+extern void NSDivideRect(NSRect inRect, NSRect * slice, NSRect * rem, CGFloat amount, NSRectEdge edge);
+
+@interface NSResponder:NSObject < NSCoding > {}
+@end
+
+@protocol NSAnimatablePropertyContainer
+- (id) animator;
+@end
+
+extern NSString *NSAnimationTriggerOrderIn;
+
+@interface NSView:NSResponder < NSAnimatablePropertyContainer > {}
+-(NSRect) bounds;
+@end
+
+enum {
+  NSBackgroundStyleLight = 0, NSBackgroundStyleDark, NSBackgroundStyleRaised, NSBackgroundStyleLowered
+};
+
+@interface NSTabView:NSView {}
+@end
+
+@ class OrganizerTabHeader;
+
+@interface OrganizerTabView:NSTabView {}
+@property(assign)
+NSSize minimumSize;
+@end
+
+@interface OrganizerTabView()
+@property(readonly) OrganizerTabHeader *tabHeaderView;
+@property(readonly) NSRect headerRect;
+@end
+
+@implementation OrganizerTabView
+@dynamic tabHeaderView, headerRect, minimumSize;
+-(CGFloat) tabAreaThickness {}
+-(NSRectEdge) rectEdgeForTabs { 
+  NSRect dummy, result = {};
+  NSDivideRect(self.bounds, &result, &dummy, self.tabAreaThickness, self.rectEdgeForTabs);
+}
+