Unbreak MIPS build after recent zone-related changes

src/mips/lithium-mips.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 967 matching lines @@
   ASSERT(ast_id != AstNode::kNoNumber ||
          hydrogen_env->frame_type() != JS_FUNCTION);
   int value_count = hydrogen_env->length();
   LEnvironment* result = new(zone()) LEnvironment(
       hydrogen_env->closure(),
       hydrogen_env->frame_type(),
       ast_id,
       hydrogen_env->parameter_count(),
       argument_count_,
       value_count,
-      outer);
+      outer,
+      zone());
   int argument_index = *argument_index_accumulator;
   for (int i = 0; i < value_count; ++i) {
     if (hydrogen_env->is_special_index(i)) continue;
 
     HValue* value = hydrogen_env->values()->at(i);
     LOperand* op = NULL;
     if (value->IsArgumentsObject()) {
       op = NULL;
     } else if (value->IsPushArgument()) {
       op = new(zone()) LArgument(argument_index++);
@@ skipping 1333 matching lines @@
 
 
 LInstruction* LChunkBuilder::DoLoadFieldByIndex(HLoadFieldByIndex* instr) {
   LOperand* object = UseRegister(instr->object());
   LOperand* index = UseRegister(instr->index());
   return DefineAsRegister(new(zone()) LLoadFieldByIndex(object, index));
 }
 
 
 } }  // namespace v8::internal