gcc/testsuite/gcc.dg/pr51481.c

   1 /* PR tree-optimization/51481 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O -fexceptions -fipa-cp -fipa-cp-clone" } */
   4
   5 extern const unsigned short int **foo (void)
   6   __attribute__ ((__nothrow__, __const__));
   7 struct S { unsigned short s1; int s2; };
   8 extern struct S *s[26];
   9
  10 void
  11 bar (int x, struct S *y, ...)
  12 {
  13   static struct S *t;
  14   __builtin_va_list ap;
  15   __builtin_va_start (ap, y);
  16   if (t != s[7])
  17     {
  18       const char *p = "aAbBc";
  19       t = s[7];
  20       while ((*foo ())[(unsigned char) *p])
  21         p++;
  22     }
  23   __builtin_printf (x == 0 ? "abc\n" : "def\n");
  24   if (y != 0)
  25     __builtin_printf ("ghi %d %d", y->s2, y->s1);
  26   __builtin_va_end (ap);
  27 }
  28
  29 void
  30 baz (char *x)
  31 {
  32   bar (1, 0, x);
  33 }