updated for version 7.3.1272

Problem:    Crash when editing Ruby file. (Aliaksandr Rahalevich)
Solution:   Reallocate the state list when necessary.

src/regexp_nfa.c

@@ -4227,6 +4227,30 @@ addstate_here(l, state, subs, pim, ip)
 	l->t[listidx] = l->t[l->n - 1];
     }
     else if (count > 1)
+    {
+	if (l->n + count - 1 >= l->len)
+	{
+	    /* not enough space to move the new states, reallocate the list
+	     * and move the states to the right position */
+	    nfa_thread_T *newl;
+
+	    l->len = l->len * 3 / 2 + 50;
+	    newl = (nfa_thread_T *)alloc(l->len * sizeof(nfa_thread_T));
+	    if (newl == NULL)
+		return;
+	    mch_memmove(&(newl[0]),
+		    &(l->t[0]),
+		    sizeof(nfa_thread_T) * listidx);
+	    mch_memmove(&(newl[listidx]),
+		    &(l->t[l->n - count]),
+		    sizeof(nfa_thread_T) * count);
+	    mch_memmove(&(newl[listidx + count]),
+		    &(l->t[listidx + 1]),
+		    sizeof(nfa_thread_T) * (l->n - count - listidx - 1));
+	    vim_free(l->t);
+	    l->t = newl;
+	}
+	else
 	{
 	    /* make space for new states, then move them from the
 	     * end to the current position */
@@ -4237,6 +4261,7 @@ addstate_here(l, state, subs, pim, ip)
 		    &(l->t[l->n - 1]),
 		    sizeof(nfa_thread_T) * count);
 	}
+    }
     --l->n;
     *ip = listidx - 1;
 }

src/version.c

@@ -728,6 +728,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1272,
 /**/
     1271,
 /**/