Make index translate/inobject only rely on the map.

src/arm/stub-cache-arm.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 1354 matching lines @@
   return reg;
 }
 
 
 void LoadStubCompiler::GenerateLoadField(Register reg,
                                          Handle<JSObject> holder,
                                          PropertyIndex field,
                                          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()));
   }
 }
 
 
 void LoadStubCompiler::GenerateLoadConstant(Handle<Object> value) {
   // Return the constant value.
   __ Move(r0, value);
   __ Ret();
@@ skipping 241 matching lines @@
 
   const int argc = arguments().immediate();
 
   // Get the receiver of the function from the stack into r0.
   __ ldr(r0, MemOperand(sp, argc * kPointerSize));
   // Check that the receiver isn't a smi.
   __ JumpIfSmi(r0, &miss);
 
   // 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_);
 
   // Handle call cache miss.
   __ bind(&miss);
   GenerateMissBranch();
 
   // Return the generated code.
   return GetCode(Code::FIELD, name);
 }
@@ skipping 1517 matching lines @@
   // -----------------------------------
   TailCallBuiltin(masm, Builtins::kKeyedLoadIC_Miss);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM