gcc/testsuite/gcc.dg/Wstrict-overflow-17.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-fstrict-overflow -O2 -Wstrict-overflow" } */
   3
   4 /* This erroneously gave an overflow warning.  */
   5
   6 extern void bar (char);
   7 void
   8 foo (char *s)
   9 {
  10   int len, i;
  11
  12   for (len = 1; len < 5000; ++len)
  13     {
  14       for (i = 0; i < len; ++i)
  15         {
  16           if (s[i] != '\0')
  17             bar (s[i]);
  18         }
  19     }
  20 }