Fix <rdar://problem/6655054> clang issues bogus error on property usage in a dot-syntax.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@66659 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Sema/SemaExpr.cpp

@@ -1866,10 +1866,8 @@ Sema::ActOnMemberReferenceExpr(Scope *S, ExprArg Base, SourceLocation OpLoc,
 
     // If this reference is in an @implementation, check for 'private' methods.
     if (!Getter)
-      if (ObjCMethodDecl *CurMeth = getCurMethodDecl())
-        if (ObjCInterfaceDecl *ClassDecl = CurMeth->getClassInterface())
       if (ObjCImplementationDecl *ImpDecl =
-              ObjCImplementations[ClassDecl->getIdentifier()])
+          ObjCImplementations[IFace->getIdentifier()])
         Getter = ImpDecl->getInstanceMethod(Sel);
 
     // Look through local category implementations associated with the class.
@@ -1893,10 +1891,8 @@ Sema::ActOnMemberReferenceExpr(Scope *S, ExprArg Base, SourceLocation OpLoc,
     if (!Setter) {
       // If this reference is in an @implementation, also check for 'private'
       // methods.
-      if (ObjCMethodDecl *CurMeth = getCurMethodDecl())
-        if (ObjCInterfaceDecl *ClassDecl = CurMeth->getClassInterface())
       if (ObjCImplementationDecl *ImpDecl =
-                ObjCImplementations[ClassDecl->getIdentifier()])
+          ObjCImplementations[IFace->getIdentifier()])
         Setter = ImpDecl->getInstanceMethod(SetterSel);
     }
     // Look through local category implementations associated with the class.

test/SemaObjC/property-9-impl-method.m

@@ -62,3 +62,33 @@ NSSize minimumSize;
 }
 @end
 
+@class NSImage;
+
+@interface XCImageArchiveEntry : NSObject
+{
+  NSImage *_cachedImage;
+}
+
+@end
+
+@implementation XCImageArchiveEntry
+
+- (NSImage *)image
+{
+  return _cachedImage;
+}
+
+@end
+
+@interface XCImageArchive : NSObject
+@end
+
+@implementation XCImageArchive
+
+- (NSImage *)imageNamed:(NSString *)name
+{
+    XCImageArchiveEntry * entry;
+    return entry ? entry.image : ((void *)0);
+}
+
+@end