use RUNTIME_CHECK

diff --git a/lib/dns/resolver.c b/lib/dns/resolver.c
index 39f2fd20e98411c80c47eb6b4fdb837061f3ece8..d2c949c2277ca9bbe83f05cf02fdf8a48226a106 100644 (file)
--- a/lib/dns/resolver.c
+++ b/lib/dns/resolver.c
@@ -3982,7 +3982,7 @@ fctx_try(fetchctx_t *fctx, bool retrying, bool badcache) {
                                                  &fctx->qminfetch);
                if (result != ISC_R_SUCCESS) {
                        LOCK(&fctx->res->buckets[fctx->bucketnum].lock);
-                       bucket_empty = fctx_decreference(fctx);
+                       RUNTIME_CHECK(!fctx_decreference(fctx));
                        UNLOCK(&fctx->res->buckets[fctx->bucketnum].lock);
                        fctx_done(fctx, DNS_R_SERVFAIL, __LINE__);
                }