1 /* { dg-do compile } */
2 /* { dg-options "-O3 -fno-tree-loop-vectorize -fno-tree-slp-vectorize -fno-inline -fdump-tree-pcom-details" } */
3 
4 typedef struct {
5   int a, b;
6 } CompandSegment;
7 int a;
8 CompandSegment *b;
fn1()9 void fn1() {
10   for (; a; a++)
11     b[a].a = b[a].b = b[a - 1].a = b[a - 1].b = 0;
12 }
13 /* { dg-final { scan-tree-dump-times "Store-stores chain" 2 "pcom"} } */
14