PPC: Load from PropertyCells using PropertyCell::kValueOffset rather than Cell::kValueOffset

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 0b053a93d4fe0696d2e8a2aaf480fc00553c36dc..d7a70d7446559320bc5e5d0116fbfcaf68e4c556 100644
--- a/src/ic/ppc/handler-compiler-ppc.cc
+++ b/src/ic/ppc/handler-compiler-ppc.cc
@@ -722,7 +722,7 @@ Handle<Code> NamedLoadHandlerCompiler::CompileLoadGlobal(
   Register result = StoreDescriptor::ValueRegister();
   Handle<WeakCell> weak_cell = factory()->NewWeakCell(cell);
   __ LoadWeakValue(result, weak_cell, &miss);
-  __ LoadP(result, FieldMemOperand(result, Cell::kValueOffset));
+  __ LoadP(result, FieldMemOperand(result, PropertyCell::kValueOffset));
 
   // Check for deleted property if property can actually be deleted.
   if (is_configurable) {