gcc/testsuite/gcc.c-torture/compile/20060215-1.c

   1 /* PR middle-end/26300 */
   2
   3 struct S
   4 {
   5   char c;
   6   struct S *d;
   7   struct S *e;
   8 };
   9 extern struct S *u, *v;
  10 extern void fn1 (struct S *) __attribute__ ((noreturn));
  11 void fn2 (struct S *);
  12
  13 static inline struct S *
  14 fn3 (struct S *x)
  15 {
  16   if (x->c != 6)
  17     fn1 (0);
  18   return (struct S *) x;
  19 }
  20
  21 static inline int
  22 fn4 (struct S *x)
  23 {
  24   if (x != u)
  25     return 3;
  26   fn2 (x);
  27   return 0;
  28 }
  29
  30 int
  31 test (struct S *x)
  32 {
  33   struct S *r;
  34   int m = 0;
  35
  36   for (r = x; r != v; r = (fn3 (r)->d))
  37     if (r->c != 6)
  38       fn1 (x);
  39     else
  40       m |= 1 << (fn4 (fn3 (r)->e) - 1);
  41   return m;
  42 }