Function rh_count_label

tests/repro/repro_harness.h:159–166

Count nodes carrying `label`. Returns -1 on query error. */

/* Count nodes carrying `label`. Returns -1 on query error. */
static inline int rh_count_label(cbm_store_t *store, const char *project, const char *label) {
    cbm_node_t *nodes = NULL;
    int count = 0;
    if (cbm_store_find_nodes_by_label(store, project, label, &nodes, &count) != CBM_STORE_OK)
        return -1;
    cbm_store_free_nodes(nodes, count);
    return count;
}

/* TIER B: returns true if cbm_extract_file CRASHES (signal) on `content`.
 * Runs in a forked child so the crash doesn't take down the repro runner. */