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 /* { dg-require-effective-target exceptions } */
   5
   6 extern const unsigned short int **foo (void)
   7   __attribute__ ((__nothrow__, __const__));
   8 struct S { unsigned short s1; int s2; };
   9 extern struct S *s[26];
  10
  11 void
  12 bar (int x, struct S *y, ...)
  13 {
  14   static struct S *t;
  15   __builtin_va_list ap;
  16   __builtin_va_start (ap, y);
  17   if (t != s[7])
  18     {
  19       const char *p = "aAbBc";
  20       t = s[7];
  21       while ((*foo ())[(unsigned char) *p])
  22         p++;
  23     }
  24   __builtin_printf (x == 0 ? "abc\n" : "def\n");
  25   if (y != 0)
  26     __builtin_printf ("ghi %d %d", y->s2, y->s1);
  27   __builtin_va_end (ap);
  28 }
  29
  30 void
  31 baz (char *x)
  32 {
  33   bar (1, 0, x);
  34 }