Fix NaCl build.

src/ic.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 2601 matching lines @@
 
 
 void BinaryOpIC::State::Update(Handle<Object> left,
                                Handle<Object> right,
                                Handle<Object> result) {
   ExtraICState old_extra_ic_state = GetExtraICState();
 
   left_kind_ = UpdateKind(left, left_kind_);
   right_kind_ = UpdateKind(right, right_kind_);
 
-  int32_t fixed_right_arg_value;
+  int32_t fixed_right_arg_value = 0;
   bool has_fixed_right_arg =
       op_ == Token::MOD &&
       right->ToInt32(&fixed_right_arg_value) &&
       fixed_right_arg_value > 0 &&
       IsPowerOf2(fixed_right_arg_value) &&
       FixedRightArgValueField::is_valid(fixed_right_arg_value) &&
       (left_kind_ == SMI || left_kind_ == INT32) &&
       (result_kind_ == NONE || !fixed_right_arg_.has_value);
   fixed_right_arg_ = Maybe<int32_t>(has_fixed_right_arg,
                                     fixed_right_arg_value);
@@ skipping 510 matching lines @@
 #undef ADDR
 };
 
 
 Address IC::AddressFromUtilityId(IC::UtilityId id) {
   return IC_utilities[id];
 }
 
 
 } }  // namespace v8::internal