1  /* { dg-options "-Wuninitialized" } */
       2  
       3  /* Verify disabling a warning, where both the _Pragma and the
       4     affected code are within (different) macros.  */
       5  
       6  # define YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN	\
       7      _Pragma ("GCC diagnostic push") \
       8      _Pragma ("GCC diagnostic ignored \"-Wuninitialized\"")\
       9      _Pragma ("GCC diagnostic ignored \"-Wmaybe-uninitialized\"")
      10  # define YY_IGNORE_MAYBE_UNINITIALIZED_END \
      11      _Pragma ("GCC diagnostic pop")
      12  
      13  #define WARNABLE_CODE *++yyvsp = yylval; /* { dg-bogus "used uninitialized" } */
      14  
      15  void test (char yylval)
      16  {
      17    char *yyvsp; /* { dg-bogus "declared here" } */
      18    YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
      19    WARNABLE_CODE
      20    YY_IGNORE_MAYBE_UNINITIALIZED_END
      21  }