1/* { dg-do compile } */
2/* { dg-options "-O2" } */
3struct BlobSpan {
4	int right;
5};
6/* This test makes sure we don't accidently cause a bad insertion to occur
7   by choosing the wrong variable name so that we end up with a use not
8   dominated by a def. */
9void render_blob_line(struct BlobSpan blobdata) {
10	int buf[4 * 8];
11	int *data = buf;
12	int i, n = 0;
13	if (blobdata.right)
14		n++;
15	if (n)
16		for (; i < 2 * n;)
17			data[i] = 0;
18	n *= 2;
19	for (; n;) ;
20}
21