Introduce HObjectAccess, which is used by LoadNamedField and StoreNamedField to denote what parts

src/ia32/lithium-ia32.cc

Index: src/ia32/lithium-ia32.cc
diff --git a/src/ia32/lithium-ia32.cc b/src/ia32/lithium-ia32.cc
index f10ab25bc79d7013fc430df6206126cd470deca1..949a936642f8ecae4e813e824162f83aebe746a7 100644
--- a/src/ia32/lithium-ia32.cc
+++ b/src/ia32/lithium-ia32.cc
@@ -416,8 +416,7 @@ LOperand* LPlatformChunk::GetNextSpillSlot(bool is_double) {
 
 void LStoreNamedField::PrintDataTo(StringStream* stream) {
   object()->PrintTo(stream);
-  stream->Add(".");
-  stream->Add(*String::cast(*name())->ToCString());
+  hydrogen()->access().PrintTo(stream);
   stream->Add(" <- ");
   value()->PrintTo(stream);
 }