516   HEnvironment* hydrogen_env = current_block->last_environment();  in CreateLazyBailoutForCall()  local
518   DCHECK_NOT_NULL(hydrogen_env);  in CreateLazyBailoutForCall()
523     hydrogen_env = hydrogen_env->outer();  in CreateLazyBailoutForCall()
524     while (hydrogen_env != nullptr &&  in CreateLazyBailoutForCall()
525            (hydrogen_env->frame_type() == ARGUMENTS_ADAPTOR ||  in CreateLazyBailoutForCall()
526             hydrogen_env->frame_type() == TAIL_CALLER_FUNCTION)) {  in CreateLazyBailoutForCall()
527       hydrogen_env = hydrogen_env->outer();  in CreateLazyBailoutForCall()
529     if (hydrogen_env != nullptr) {  in CreateLazyBailoutForCall()
530       if (hydrogen_env->frame_type() == JS_FUNCTION) {  in CreateLazyBailoutForCall()
540         hydrogen_env = hydrogen_env->Copy();  in CreateLazyBailoutForCall()
541         hydrogen_env->Push(hydrogen_val);  in CreateLazyBailoutForCall()
547       hydrogen_env = current_block->last_environment();  in CreateLazyBailoutForCall()
552       sim->ReplayEnvironment(hydrogen_env);  in CreateLazyBailoutForCall()
557       new (zone()) LLazyBailout(), hydrogen_env);  in CreateLazyBailoutForCall()
563                                                    HEnvironment* hydrogen_env) {  in AssignEnvironment()  argument
566   DCHECK_NE(TAIL_CALLER_FUNCTION, hydrogen_env->frame_type());  in AssignEnvironment()
568       hydrogen_env, &argument_index_accumulator, &objects_to_materialize));  in AssignEnvironment()
573     HEnvironment* hydrogen_env, int* argument_index_accumulator,  in CreateEnvironment()  argument
575   if (hydrogen_env == NULL) return NULL;  in CreateEnvironment()
577   BailoutId ast_id = hydrogen_env->ast_id();  in CreateEnvironment()
579          (hydrogen_env->frame_type() != JS_FUNCTION &&  in CreateEnvironment()
580           hydrogen_env->frame_type() != TAIL_CALLER_FUNCTION));  in CreateEnvironment()
582   if (hydrogen_env->frame_type() == TAIL_CALLER_FUNCTION) {  in CreateEnvironment()
584     HEnvironment* outer_hydrogen_env = hydrogen_env->outer();  in CreateEnvironment()
592         LEnvironment(hydrogen_env->closure(), hydrogen_env->frame_type(),  in CreateEnvironment()
593                      ast_id, 0, 0, 0, outer, hydrogen_env->entry(), zone());  in CreateEnvironment()
597       CreateEnvironment(hydrogen_env->outer(), argument_index_accumulator,  in CreateEnvironment()
600   int omitted_count = (hydrogen_env->frame_type() == JS_FUNCTION)  in CreateEnvironment()
602                           : hydrogen_env->specials_count();  in CreateEnvironment()
604   int value_count = hydrogen_env->length() - omitted_count;  in CreateEnvironment()
606       new(zone()) LEnvironment(hydrogen_env->closure(),  in CreateEnvironment()
607                                hydrogen_env->frame_type(),  in CreateEnvironment()
609                                hydrogen_env->parameter_count(),  in CreateEnvironment()
613                                hydrogen_env->entry(),  in CreateEnvironment()
619   for (int i = 0; i < hydrogen_env->length(); ++i) {  in CreateEnvironment()
620     if (hydrogen_env->is_special_index(i) &&  in CreateEnvironment()
621         hydrogen_env->frame_type() != JS_FUNCTION) {  in CreateEnvironment()
625     HValue* value = hydrogen_env->values()->at(i);  in CreateEnvironment()
638   for (int i = 0; i < hydrogen_env->length(); ++i) {  in CreateEnvironment()
639     if (hydrogen_env->is_special_index(i)) continue;  in CreateEnvironment()
641     HValue* value = hydrogen_env->values()->at(i);  in CreateEnvironment()
647   if (hydrogen_env->frame_type() == JS_FUNCTION) {  in CreateEnvironment()