Use platform specific stubs for vector-based Load/KeyedLoad.

test/cctest/test-feedback-vector.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/v8.h"
 #include "test/cctest/cctest.h"
 
 #include "src/api.h"
 #include "src/debug.h"
 #include "src/execution.h"
@@ skipping 53 matching lines @@
 
   int index = vector->GetIndex(FeedbackVectorSlot(0));
 
   CHECK_EQ(TypeFeedbackVector::kReservedIndexCount + metadata_length, index);
   CHECK(FeedbackVectorSlot(0) == vector->ToSlot(index));
 
   index = vector->GetIndex(FeedbackVectorICSlot(0));
   CHECK_EQ(index,
            TypeFeedbackVector::kReservedIndexCount + metadata_length + 3);
   CHECK(FeedbackVectorICSlot(0) == vector->ToICSlot(index));
-
-  CHECK_EQ(TypeFeedbackVector::kReservedIndexCount + metadata_length + 3 + 5,
+  CHECK_EQ(TypeFeedbackVector::kReservedIndexCount + metadata_length + 3 +
+               5 * TypeFeedbackVector::elements_per_ic_slot(),
            vector->length());
 }
 
 
 // IC slots need an encoding to recognize what is in there.
 TEST(VectorICMetadata) {
   LocalContext context;
   v8::HandleScope scope(context->GetIsolate());
   if (!FLAG_vector_ics) {
     // If FLAG_vector_ics is false, we only store CALL_ICs in the vector, so
@@ skipping 271 matching lines @@
   CHECK(number_map_found && o_map_found);
 
   // The degree of polymorphism doesn't change.
   CompileRun("f(100)");
   CHECK_EQ(POLYMORPHIC, nexus.StateFromFeedback());
   MapHandleList maps2;
   nexus.FindAllMaps(&maps2);
   CHECK_EQ(2, maps2.length());
 }
 }