[master] 613c2270a Assert

[Dridi Boukelmoune]

commit 613c2270a4ba8cc9d8317b9c8971e99e151df52a
Author: Dridi Boukelmoune <dridi.boukelmoune at gmail.com>
Date:   Wed Apr 3 16:55:31 2019 +0200

    Assert

diff --git a/bin/varnishd/cache/cache_obj.c b/bin/varnishd/cache/cache_obj.c
index 5a807e869..b533eefcf 100644
--- a/bin/varnishd/cache/cache_obj.c
+++ b/bin/varnishd/cache/cache_obj.c
@@ -370,6 +370,7 @@ ObjBocDone(struct worker *wrk, struct objcore *oc, struct boc **boc)
 	CHECK_OBJ_NOTNULL(oc, OBJCORE_MAGIC);
 	AN(boc);
 	CHECK_OBJ_NOTNULL(*boc, BOC_MAGIC);
+	CHECK_OBJ_ORNULL(oc->stobj->stevedore, STEVEDORE_MAGIC);
 	if (oc->stobj->stevedore != NULL) {
 		m = obj_getmethods(oc);
 		if (m->objbocdone != NULL)