{"ast_node_type":"other","tokens":[{"end":59,"kind":"keyword","start":0,"text":"if"}]}
                        if niche_start == tag_range.start {
                    } else if tag_range.no_signed_wraparound(tag_size) == Ok(true) {
                            let niche_end_const = bx.cx().const_uint_big(tag_llty, niche_end);