[runtime] Better encapsulation of dictionary objects handling in lookup iterator.

src/ic/ppc/handler-compiler-ppc.cc

Index: src/ic/ppc/handler-compiler-ppc.cc
diff --git a/src/ic/ppc/handler-compiler-ppc.cc b/src/ic/ppc/handler-compiler-ppc.cc
index 3293d824e8db03862974718a8bed7ed85e7f43ef..f2148da0f7e8275db24003bbda215a855f97836f 100644
--- a/src/ic/ppc/handler-compiler-ppc.cc
+++ b/src/ic/ppc/handler-compiler-ppc.cc
@@ -198,7 +198,8 @@ void NamedLoadHandlerCompiler::GenerateLoadFunctionPrototype(
 void PropertyHandlerCompiler::GenerateCheckPropertyCell(
     MacroAssembler* masm, Handle<JSGlobalObject> global, Handle<Name> name,
     Register scratch, Label* miss) {
-  Handle<PropertyCell> cell = JSGlobalObject::EnsurePropertyCell(global, name);
+  Handle<PropertyCell> cell = JSGlobalObject::EnsureEmptyPropertyCell(
+      global, name, PropertyCellType::kInvalidated);
   Isolate* isolate = masm->isolate();
   DCHECK(cell->value()->IsTheHole(isolate));
   Handle<WeakCell> weak_cell = isolate->factory()->NewWeakCell(cell);