Make index translate/inobject only rely on the map.

src/arm/stub-cache-arm.cc

Index: src/arm/stub-cache-arm.cc
diff --git a/src/arm/stub-cache-arm.cc b/src/arm/stub-cache-arm.cc
index 2e3a0f8a3e4744294be395792901f5eaff001c4d..5099dc086a0923c396bbb86df4406d159075ec8a 100644
--- a/src/arm/stub-cache-arm.cc
+++ b/src/arm/stub-cache-arm.cc
@@ -1372,13 +1372,13 @@ void LoadStubCompiler::GenerateLoadField(Register reg,
                                          Representation representation) {
   if (!reg.is(receiver())) __ mov(receiver(), reg);
   if (kind() == Code::LOAD_IC) {
-    LoadFieldStub stub(field.is_inobject(holder),
-                       field.translate(holder),
+    LoadFieldStub stub(field.is_inobject(holder->map()),
+                       field.translate(holder->map()),
                        representation);
     GenerateTailCall(masm(), stub.GetCode(isolate()));
   } else {
-    KeyedLoadFieldStub stub(field.is_inobject(holder),
-                            field.translate(holder),
+    KeyedLoadFieldStub stub(field.is_inobject(holder->map()),
+                            field.translate(holder->map()),
                             representation);
     GenerateTailCall(masm(), stub.GetCode(isolate()));
   }
@@ -1640,8 +1640,9 @@ Handle<Code> CallStubCompiler::CompileCallField(Handle<JSObject> object,
 
   // Do the right check and compute the holder register.
   Register reg = CheckPrototypes(object, r0, holder, r1, r3, r4, name, &miss);
-  GenerateFastPropertyLoad(masm(), r1, reg, index.is_inobject(holder),
-                           index.translate(holder), Representation::Tagged());
+  GenerateFastPropertyLoad(
+      masm(), r1, reg, index.is_inobject(holder->map()),
+      index.translate(holder->map()), Representation::Tagged());
 
   GenerateCallFunction(masm(), object, arguments(), &miss, extra_state_);