gcc/testsuite/gcc.dg/pragma-diag-7.c

   1 /* { dg-do compile } */
   2
   3 unsigned long ok = 0UL;
   4 #pragma GCC diagnostic push
   5 #pragma GCC diagnostic warning "-Wtraditional"
   6 unsigned long bad = 1UL; /* { dg-warning "suffix" } */
   7 /* Note the extra space before the pragma on this next line: */
   8  #pragma GCC diagnostic pop
   9 unsigned long ok_again = 2UL; /* { dg-bogus "suffix" } */
  10
  11 /* Redundant with the previous pop, but just shows that it fails to stop the
  12  * following warning with an unpatched GCC: */
  13 #pragma GCC diagnostic ignored "-Wtraditional"
  14
  15 /* { dg-bogus "would be stringified" "" { target *-*-* } .+1 } */
  16 #define UNW_DEC_PROLOGUE(fmt, body, rlen, arg) \
  17   do {                                                                  \
  18       unw_rlen = rlen;                                                  \
  19       *(int *)arg = body;                                               \
  20       printf("    %s:%s(rlen=%lu)\n",                                   \
  21              fmt, (body ? "body" : "prologue"), (unsigned long)rlen);   \
  22   } while (0)