super and class property reference expressions don't need to be

rebuilt. Fixes <rdar://problem/11052352>. 

llvm-svn: 154667

clang/lib/Sema/SemaPseudoObject.cpp

@@ -1300,8 +1300,13 @@ static Expr *stripOpaqueValuesFromPseudoObjectRef(Sema &S, Expr *E) {
   Expr *opaqueRef = E->IgnoreParens();
   if (ObjCPropertyRefExpr *refExpr
         = dyn_cast<ObjCPropertyRefExpr>(opaqueRef)) {
-    OpaqueValueExpr *baseOVE = cast<OpaqueValueExpr>(refExpr->getBase());
-    return ObjCPropertyRefRebuilder(S, baseOVE->getSourceExpr()).rebuild(E);
+    if (refExpr->isObjectReceiver()) {
+      OpaqueValueExpr *baseOVE = cast<OpaqueValueExpr>(refExpr->getBase());
+      return ObjCPropertyRefRebuilder(S, baseOVE->getSourceExpr()).rebuild(E);
+    }
+
+    // Neither class or super property references need a rebuild.
+    return E;
   } else if (ObjCSubscriptRefExpr *refExpr
                = dyn_cast<ObjCSubscriptRefExpr>(opaqueRef)) {
     OpaqueValueExpr *baseOVE = cast<OpaqueValueExpr>(refExpr->getBaseExpr());

clang/test/SemaObjCXX/property-reference.mm

@@ -42,3 +42,18 @@ typedef const TCPPObject& CREF_TCPPObject;
 	cppObjectNonAtomic = cppObject;
 }
 @end
+
+
+// <rdar://problem/11052352>
+@interface NSObject
++ alloc;
+- init;
+- class;
+@end
+
+template<typename T> void f() {
+  NSObject *o = [NSObject.alloc init];
+  [o class];
+}
+
+template void f<int>();