@@ -229,7 +229,7 @@ ab_append(struct abuf *buf, const char *s, int len)
char *nc = buf->b;
int sz;
assert((delta <= 0 && buf->len < INT_MAX - delta));
assert((delta >= 0 && buf->len < INT_MAX - delta));
sz = buf->len + delta;
if (sz >= buf->cap) {
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