gcc/testsuite/gcc.dg/uninit-21.c

   1 /* PR69537, spurious warning because of a missed optimization. */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O2 -fno-short-enums -Wuninitialized" } */
   4
   5 enum clnt_stat {
   6  RPC_SUCCESS=0,
   7  RPC_CANTENCODEARGS=1,
   8 };
   9
  10 int do_ypcall_tr ();
  11
  12 static int
  13 yp_master (char **outname)
  14 {
  15   // Replacing enum clnt_stat with int avoids the warning.
  16   enum clnt_stat result;
  17   result = do_ypcall_tr ();
  18   if (result != 0)
  19     return result;
  20   *outname = __builtin_strdup ("foo");
  21   return 0;
  22 }
  23
  24 int
  25 yp_update (void)
  26 {
  27   char *master;
  28   int r;
  29   if ((r = yp_master (&master)) != 0)
  30     return r;
  31   __builtin_free (master); /* { dg-bogus "uninitialized" } */
  32   return 0;
  33 }