1 /* { dg-do run } */ 2 /* { dg-options "-O3 -fno-tree-loop-vectorize -fdump-tree-pcom-details" } */ 3 4 int a[7]; 5 char b; 6 void abort (void); 7 main()8int main() { 9 b = 4; 10 for (; b; b--) { 11 a[b] = b; 12 a[b + 2] = 1; 13 } 14 if (a[0] != 0 || a[1] != 1 || a[2] != 2 15 || a[3] != 1 || a[4] != 1 || a[5] != 1 || a[6] != 1) 16 abort (); 17 return 0; 18 } 19 20 /* { dg-final { scan-tree-dump-times "Store-stores chain" 1 "pcom" } } */ 21