struct BlobSpan { int right; }; /* This test makes sure we don't accidentally cause a bad insertion to occur by choosing the wrong variable name so that we end up with a use not dominated by a def. */ void render_blob_line(struct BlobSpan blobdata) { int buf[4 * 8]; int *data = buf; int i, n = 0; if (blobdata.right) n++; if (n) for (; i < 2 * n;) data[i] = 0; n *= 2; for (; n;) ; }