PPC: Disinherit PropertyCell from Cell

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 55f93a556f7ac3e928617a6e65182ff937b72e6c..0b053a93d4fe0696d2e8a2aaf480fc00553c36dc 100644
--- a/src/ic/ppc/handler-compiler-ppc.cc
+++ b/src/ic/ppc/handler-compiler-ppc.cc
@@ -195,11 +195,11 @@ void NamedLoadHandlerCompiler::GenerateLoadFunctionPrototype(
 void PropertyHandlerCompiler::GenerateCheckPropertyCell(
     MacroAssembler* masm, Handle<JSGlobalObject> global, Handle<Name> name,
     Register scratch, Label* miss) {
-  Handle<Cell> cell = JSGlobalObject::EnsurePropertyCell(global, name);
+  Handle<PropertyCell> cell = JSGlobalObject::EnsurePropertyCell(global, name);
   DCHECK(cell->value()->IsTheHole());
   Handle<WeakCell> weak_cell = masm->isolate()->factory()->NewWeakCell(cell);
   __ LoadWeakValue(scratch, weak_cell, miss);
-  __ LoadP(scratch, FieldMemOperand(scratch, Cell::kValueOffset));
+  __ LoadP(scratch, FieldMemOperand(scratch, PropertyCell::kValueOffset));
   __ LoadRoot(ip, Heap::kTheHoleValueRootIndex);
   __ cmp(scratch, ip);
   __ bne(miss);