Don't change DSTR nodes to ARRAY nodes

DSTR nodes are allocated in to the "markable" bucket where ARRAY nodes
are not.  Switching buckets can cause errors during GC.

1 files changed, 1 insertions, 3 deletions

diff --git a/parse.y b/parse.y
index 811c668c4a..7a0bbe0f95 100644
--- a/parse.y
+++ b/parse.y
@@ -9611,9 +9611,7 @@ literal_concat(struct parser_params *p, NODE *head, NODE *tail, const YYLTYPE *l
 	    goto append;
 	}
 	else {
-	    nd_set_type(tail, NODE_ARRAY);
-	    tail->nd_head = NEW_STR(tail->nd_lit, loc);
-	    list_concat(head, tail);
+	    list_concat(head, NEW_NODE(NODE_ARRAY, NEW_STR(tail->nd_lit, loc), tail->nd_alen, tail->nd_next, loc));
 	}
 	break;