592   HEnvironment* hydrogen_env = current_block_->last_environment();  in AssignEnvironment()
766     HEnvironment* last_environment = pred->last_environment();  in DoBasicBlock()  local
767     DCHECK(last_environment != NULL);  in DoBasicBlock()
774         last_environment = last_environment->Copy();  in DoBasicBlock()
777     block->UpdateEnvironment(last_environment);  in DoBasicBlock()
784     HEnvironment* last_environment = pred->last_environment();  in DoBasicBlock()  local
788         last_environment->SetValueAt(phi->merged_index(), phi);  in DoBasicBlock()
792       if (block->deleted_phis()->at(i) < last_environment->length()) {  in DoBasicBlock()
793         last_environment->SetValueAt(block->deleted_phis()->at(i),  in DoBasicBlock()
797     block->UpdateEnvironment(last_environment);  in DoBasicBlock()
2404   current_block_->last_environment()->set_ast_id(instr->ast_id());  in DoOsrEntry()
2453   instr->ReplayEnvironment(current_block_->last_environment());  in DoCapturedObject()
2490   instr->ReplayEnvironment(current_block_->last_environment());  in DoSimulate()
2510   HEnvironment* outer = current_block_->last_environment();  in DoEnterInlined()
2531   HEnvironment* env = current_block_->last_environment();  in DoLeaveInlined()
2539   HEnvironment* outer = current_block_->last_environment()->  in DoLeaveInlined()