gcc/testsuite/gcc.dg/uninit-pr65178.c

   1 /* PR  tree-optimizatiom/65178 - incorrect -Wmaybe-uninitialized when using
   2    nested loops
   3    { dg-do compile }
   4    { dg-options "-O2 -Wall" } */
   5
   6 void *bar (int);
   7
   8 char *foo (void)
   9 {
  10   char *c = "bla";
  11   char *buf;
  12   for (int a = 1;; a = 0)
  13     {
  14       for (char *s = c; *s; ++s)
  15         {
  16         }
  17       if (!a) break;
  18       buf = (char *) bar (1);
  19     }
  20   return buf;       // { dg-bogus "\\\[-Wmaybe-uninitialized" }
  21 }