722   HEnvironment* hydrogen_env = current_block_->last_environment();  in AssignEnvironment()
919     HEnvironment* last_environment = pred->last_environment();  in DoBasicBlock()  local
920     ASSERT(last_environment != NULL);  in DoBasicBlock()
927         last_environment = last_environment->Copy();  in DoBasicBlock()
930     block->UpdateEnvironment(last_environment);  in DoBasicBlock()
937     HEnvironment* last_environment = pred->last_environment();  in DoBasicBlock()  local
940       last_environment->SetValueAt(phi->merged_index(), phi);  in DoBasicBlock()
943       last_environment->SetValueAt(block->deleted_phis()->at(i),  in DoBasicBlock()
946     block->UpdateEnvironment(last_environment);  in DoBasicBlock()
2153   current_block_->last_environment()->set_ast_id(instr->ast_id());  in DoOsrEntry()
2224   HEnvironment* env = current_block_->last_environment();  in DoSimulate()
2265   HEnvironment* outer = current_block_->last_environment();  in DoEnterInlined()
2283   HEnvironment* outer = current_block_->last_environment()->  in DoLeaveInlined()