message: verilog: fix always sens list
diff: @@ -323,8 +323,9 @@ vector<Expr*> * VerStatementParser::vistEvent_control(
  if (ee) {
  return VerExprParser::visitEvent_expression(ee);
  }
  -
  - return nullptr;
  + auto res = new vector<Expr*>;
  + res->push_back(Expr::all());
  + return res;
  }
  vector<Statement *> VerStatementParser::vistContinuous_assign(
  