1 /* { dg-do run } */ 2 3 int a; 4 extern void abort (void); main()5 int main () 6 { 7 int c = 0; 8 for (; a < 13; ++a) 9 c = (signed char)c - 11; 10 if (c != 113) 11 abort (); 12 return 0; 13 } 14