1/* This bug exists in gcc-2.95, egcs-1.1.2, gcc-2.7.2 and probably
2   every other version as well.  */
3
4typedef struct int3 { int a, b, c; } int3;
5
6int3
7one (void)
8{
9  return (int3) { 1, 1, 1 };
10}
11
12int3
13zero (void)
14{
15  return (int3) { 0, 0, 0 };
16}
17
18int
19main (void)
20{
21  int3 a;
22
23  /* gcc allocates a temporary for the inner expression statement
24     to store the return value of `one'.
25
26     gcc frees the temporaries for the inner expression statement.
27
28     gcc realloates the same temporary slot to store the return
29     value of `zero'.
30
31     gcc expands the call to zero ahead of the expansion of the
32     statement expressions.  The temporary gets the value of `zero'.
33
34     gcc expands statement expressions and the stale temporary is
35     clobbered with the value of `one'.  The bad value is copied from
36     the temporary into *&a.  */
37
38  *({ ({ one (); &a; }); }) = zero ();
39  if (a.a && a.b && a.c)
40    abort ();
41  exit (0);
42}
43