gcc/testsuite/gcc.dg/tree-ssa/pr66449.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O3" } */
   3
   4 #if __SIZEOF_POINTER__ != __SIZEOF_LONG__
   5 #define long __INTPTR_TYPE__
   6 #endif
   7
   8 void *fn1(void *p1, void *p2, long p3)
   9 {
  10   long a = (long)p1, b = (long)p2, c = p3;
  11
  12   while (c)
  13     {
  14       int d = ((int *)b)[0];
  15
  16       c--;
  17       ((char *)a)[0] = d;
  18       a++;
  19     }
  20   return 0;
  21 }
  22