gcc/testsuite/gcc.c-torture/compile/20020323-1.c

   1 /* This testcase caused ICE on powerpc at -O3, because regrename did
   2    not handle match_dup of match_operator if the RTLs were not shared.  */
   3
   4 struct A
   5 {
   6   unsigned char *a0, *a1;
   7   int a2;
   8 };
   9
  10 void bar (struct A *);
  11
  12 unsigned int
  13 foo (int x)
  14 {
  15   struct A a;
  16   unsigned int b;
  17
  18   if (x < -128 || x > 255 || x == -1)
  19     return 26;
  20
  21   a.a0 = (unsigned char *) &b;
  22   a.a1 = a.a0 + sizeof (unsigned int);
  23   a.a2 = 0;
  24   bar (&a);
  25   return b;
  26 }