1 /* PR rtl-optimization/56745 */ 2 3 unsigned char a[6]; 4 5 void foo()6 foo () 7 { 8 int i; 9 for (i = 5; i >= 0; i++) 10 { 11 if (++a[i] != 0) 12 break; 13 ++a[i]; 14 } 15 } 16