gcc/testsuite/gcc.dg/torture/pr69776-2.c

   1 /* { dg-do run } */
   2 /* { dg-additional-options "-fstrict-aliasing" } */
   3
   4 extern void *malloc (__SIZE_TYPE__);
   5 extern void abort (void);
   6
   7 __attribute__((noinline,noclone))
   8 void f(int *qi, double *qd)
   9 {
  10   int i = *qi;
  11   *qd = 0;
  12   *qi = i;
  13 }
  14
  15 int main()
  16 {
  17   int *p = malloc(sizeof(double));
  18
  19   *p = 1;
  20   f(p, (double *)p);
  21   if (*p != 1)
  22     abort();
  23   return 0;
  24 }
  25