1 files changed, 5 insertions, 1 deletions
diff --git a/re.c b/re.c
index 6a100db0..a74943c3 100644
--- a/re.c
+++ b/re.c
@@ -354,10 +354,14 @@ re_update(NODE *t)
 		/* regex was compiled with settings matching IGNORECASE */
 		if ((t->re_flags & CONSTANT) != 0) {
 			/* it's a constant, so just return it as is */
-			assert(t->type == Node_regex);
+			assert(t->type == Node_regex || t->type == Node_typedregex);
 			return t->re_reg;
 		}
 		t1 = t->re_exp;
+		if (t1->type == Node_typedregex) {
+			assert((t1->re_flags & CONSTANT) != 0);
+			return t1->re_reg;
+		}
 		if (t->re_text != NULL) {
 			/* if contents haven't changed, just return it */
 			if (cmp_nodes(t->re_text, t1, true) == 0)