1 /* { dg-do run } */ 2 /* { dg-options "-O3" } */ 3 4 signed char a; 5 short b; 6 main()7 int main () 8 { 9 for (a = 3; a != -1; a -= 5) 10 while (b) 11 ; 12 return 0; 13 } 14