Remove offset() and is_in_object() from hydrogen and lithium LoadNamedField and StoreNamedField and…

src/x64/lithium-x64.cc

Index: src/x64/lithium-x64.cc
diff --git a/src/x64/lithium-x64.cc b/src/x64/lithium-x64.cc
index b74b1a8a9a1408873784bb8c146f1f4c6521732b..714d5f1b88e647eedb7b5cf851807de96fb7cf98 100644
--- a/src/x64/lithium-x64.cc
+++ b/src/x64/lithium-x64.cc
@@ -2263,13 +2263,14 @@ LInstruction* LChunkBuilder::DoTrapAllocationMemento(
 
 
 LInstruction* LChunkBuilder::DoStoreNamedField(HStoreNamedField* instr) {
+  bool is_in_object = instr->access().IsInobject();
   bool needs_write_barrier = instr->NeedsWriteBarrier();
   bool needs_write_barrier_for_map = !instr->transition().is_null() &&
       instr->NeedsWriteBarrierForMap();
 
   LOperand* obj;
   if (needs_write_barrier) {
-    obj = instr->is_in_object()
+    obj = is_in_object
         ? UseRegister(instr->object())
         : UseTempRegister(instr->object());
   } else {
@@ -2298,7 +2299,7 @@ LInstruction* LChunkBuilder::DoStoreNamedField(HStoreNamedField* instr) {
 
   // We only need a scratch register if we have a write barrier or we
   // have a store into the properties array (not in-object-property).
-  LOperand* temp = (!instr->is_in_object() || needs_write_barrier ||
+  LOperand* temp = (!is_in_object || needs_write_barrier ||
       needs_write_barrier_for_map) ? TempRegister() : NULL;
 
   LStoreNamedField* result = new(zone()) LStoreNamedField(obj, val, temp);