struct blah { int m1, m2; }; void die(struct blah arg) { int i ; struct blah buf[1]; for (i = 0; i < 1 ; buf[i++] = arg) ; if (buf[0].m1 != 1) { abort (); } } int main() { struct blah s = { 1, 2 }; die(s); exit (0); }