gcc/testsuite/gcc.dg/pr91570.c

   1 /* PR tree-optimization/91570 - ICE in get_range_strlen_dynamic on
   2    a conditional of two strings
   3    { dg-do compile }
   4    { dg-options "-O2 -Wall" } */
   5
   6 extern char a[], b[];
   7
   8 /* Test case from comment #0 on the bug.  */
   9
  10 void comment_0 (int i)
  11 {
  12   a[0] = 0;
  13   b[0] = '1';
  14
  15   const char *p = i ? b : a;
  16
  17   if (__builtin_snprintf (0, 0, "%s", p) < 4)
  18     __builtin_abort ();
  19 }
  20
  21
  22 /* Test case from comment #2 on the bug.  */
  23
  24 void comment_2 (char *s)
  25 {
  26   char *t = __builtin_strrchr (s, '/');
  27   __builtin_strcat (s, ".SIF");
  28   t = t ? t : s;
  29   __builtin_printf ("%s", t);
  30 }