597   HEnvironment* hydrogen_env = current_block_->last_environment();  in AssignEnvironment()
763     HEnvironment* last_environment = pred->last_environment();  in DoBasicBlock()  local
764     DCHECK(last_environment != NULL);  in DoBasicBlock()
771         last_environment = last_environment->Copy();  in DoBasicBlock()
774     block->UpdateEnvironment(last_environment);  in DoBasicBlock()
781     HEnvironment* last_environment = pred->last_environment();  in DoBasicBlock()  local
785         last_environment->SetValueAt(phi->merged_index(), phi);  in DoBasicBlock()
789       if (block->deleted_phis()->at(i) < last_environment->length()) {  in DoBasicBlock()
790         last_environment->SetValueAt(block->deleted_phis()->at(i),  in DoBasicBlock()
794     block->UpdateEnvironment(last_environment);  in DoBasicBlock()
2406   current_block_->last_environment()->set_ast_id(instr->ast_id());  in DoOsrEntry()
2455   instr->ReplayEnvironment(current_block_->last_environment());  in DoCapturedObject()
2492   instr->ReplayEnvironment(current_block_->last_environment());  in DoSimulate()
2512   HEnvironment* outer = current_block_->last_environment();  in DoEnterInlined()
2533   HEnvironment* env = current_block_->last_environment();  in DoLeaveInlined()
2541   HEnvironment* outer = current_block_->last_environment()->  in DoLeaveInlined()