patch 8.0.0828: Coverity: may dereference NULL pointer
Problem: Coverity: may dereference NULL pointer.
Solution: Bail out if calloc_state() returns NULL.
diff --git a/src/regexp_nfa.c b/src/regexp_nfa.c
index 804d742..40d6605 100644
--- a/src/regexp_nfa.c
+++ b/src/regexp_nfa.c
@@ -3527,7 +3527,11 @@
{
/* NFA_ZEND -> NFA_END_PATTERN -> NFA_SKIP -> what follows. */
skip = alloc_state(NFA_SKIP, NULL, NULL);
+ if (skip == NULL)
+ goto theend;
zend = alloc_state(NFA_ZEND, s1, NULL);
+ if (zend == NULL)
+ goto theend;
s1->out= skip;
patch(e.out, zend);
PUSH(frag(s, list1(&skip->out)));