Make sure that bce creates constants of right type

src/hydrogen-bce.cc

 // Copyright 2013 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 243 matching lines @@
   bool BuildOffsetAdd(HBoundsCheck* check,
                       HInstruction** add,
                       HConstant** constant,
                       HValue* original_value,
                       Representation representation,
                       int32_t new_offset) {
     HValue* index_context = IndexContext(*add, check);
     if (index_context == NULL) return false;
 
     Zone* zone = BasicBlock()->zone();
-    HConstant* new_constant = HConstant::New(
-        zone, index_context, new_offset);
+    HConstant* new_constant = HConstant::New(zone, index_context,
+                                             new_offset, representation);
     if (*add == NULL) {
       new_constant->InsertBefore(check);
       (*add) = HAdd::New(zone, index_context, original_value, new_constant);
       (*add)->AssumeRepresentation(representation);
       (*add)->InsertBefore(check);
     } else {
       new_constant->InsertBefore(*add);
       (*constant)->DeleteAndReplaceWith(new_constant);
     }
     *constant = new_constant;
@@ skipping 109 matching lines @@
     data->RemoveZeroOperations();
     if (data->FatherInDominatorTree()) {
       table_.Insert(data->Key(), data->FatherInDominatorTree(), zone());
     } else {
       table_.Delete(data->Key());
     }
   }
 }
 
 } }  // namespace v8::internal