724   HEnvironment* hydrogen_env = current_block_->last_environment();  in AssignEnvironment()
925     HEnvironment* last_environment = pred->last_environment();  in DoBasicBlock()  local
926     ASSERT(last_environment != NULL);  in DoBasicBlock()
933         last_environment = last_environment->Copy();  in DoBasicBlock()
936     block->UpdateEnvironment(last_environment);  in DoBasicBlock()
943     HEnvironment* last_environment = pred->last_environment();  in DoBasicBlock()  local
946       last_environment->SetValueAt(phi->merged_index(), phi);  in DoBasicBlock()
949       last_environment->SetValueAt(block->deleted_phis()->at(i),  in DoBasicBlock()
952     block->UpdateEnvironment(last_environment);  in DoBasicBlock()
2255   current_block_->last_environment()->set_ast_id(instr->ast_id());  in DoOsrEntry()
2330   HEnvironment* env = current_block_->last_environment();  in DoSimulate()
2375   HEnvironment* outer = current_block_->last_environment();  in DoEnterInlined()
2393   HEnvironment* outer = current_block_->last_environment()->  in DoLeaveInlined()