gcc/testsuite/gcc.dg/torture/pr45623.c

   1 /* { dg-do run } */
   2 /* { dg-options "-std=c99" } */
   3
   4 #include <stdint.h>
   5
   6 extern void abort (void);
   7
   8 char *s1 = "foo";
   9 char *s2 = "bar";
  10
  11 char **ss1 = &s1;
  12
  13 typedef union jsval_layout
  14 {
  15     uint64_t asBits;
  16     char **ptr;
  17 } jsval_layout;
  18
  19 int main()
  20 {
  21   jsval_layout l, m;
  22   l.ptr = ss1;
  23   m.asBits = l.asBits;
  24   char ** data = m.ptr;
  25   *data = s2;
  26   if (s1 != s2)
  27     abort ();
  28   return 0;
  29 }