Objective-C modernizer. Avoid using property-dot syntax when

receiver type is not valid for property-dot syntz use.
rdar://19381786

llvm-svn: 226927

clang/lib/ARCMigrate/ObjCMT.cpp

@@ -245,6 +245,10 @@ namespace {
         (Msg->getReceiverKind() != ObjCMessageExpr::Instance &&
          Msg->getReceiverKind() != ObjCMessageExpr::SuperInstance))
       return false;
+    if (const Expr *Receiver = Msg->getInstanceReceiver())
+      if (Receiver->getType()->isObjCBuiltinType())
+        return false;
+      
     const ObjCMethodDecl *Method = Msg->getMethodDecl();
     if (!Method)
       return false;

clang/test/ARCMT/objcmt-property-dot-syntax.m

@@ -68,3 +68,25 @@ P* fun();
 id testRdar19038838(Rdar19038838 *obj) {
   return [obj newItem];
 }
+
+// rdar://19381786
+@interface rdar19381786 : NSObject
+{
+  rdar19381786* obj;
+}
+@property int count;
+@end
+
+@protocol PR 
+@property int count;
+@end
+
+@implementation rdar19381786
+-(void)test:(id)some : (id<PR>)qsome : (SEL)selsome
+{
+  [obj setCount : 100];
+  [some setCount : [some count]];
+  [qsome setCount : [qsome count]];
+}
+@end
+

clang/test/ARCMT/objcmt-property-dot-syntax.m.result

@@ -68,3 +68,25 @@ P* fun();
 id testRdar19038838(Rdar19038838 *obj) {
   return obj.newItem;
 }
+
+// rdar://19381786
+@interface rdar19381786 : NSObject
+{
+  rdar19381786* obj;
+}
+@property int count;
+@end
+
+@protocol PR 
+@property int count;
+@end
+
+@implementation rdar19381786
+-(void)test:(id)some : (id<PR>)qsome : (SEL)selsome
+{
+  obj.count = 100;
+  [some setCount : [some count]];
+  [qsome setCount : [qsome count]];
+}
+@end
+