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

src/arm/lithium-arm.cc

Index: src/arm/lithium-arm.cc
diff --git a/src/arm/lithium-arm.cc b/src/arm/lithium-arm.cc
index 9dc239bc65c8988f31bea5d512c16b2ca9cf5279..f3b39ec08d8737a0879d29b37deb21034d048662 100644
--- a/src/arm/lithium-arm.cc
+++ b/src/arm/lithium-arm.cc
@@ -2330,13 +2330,14 @@ 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 {