Unfreeze string-literal-only interpolated string-literal

[Feature #17104]

1 files changed, 1 insertions, 0 deletions

diff --git a/node.c b/node.c
index 7c291a80ad..936043794a 100644
--- a/node.c
+++ b/node.c
@@ -741,6 +741,7 @@ dump_node(VALUE buf, VALUE indent, int comment, const NODE * node)
 	ANN("example: :\"foo#{ bar }baz\"");
       dlit:
 	F_LIT(nd_lit, "preceding string");
+	if (!node->nd_next) return;
 	F_NODE(nd_next->nd_head, "interpolation");
 	LAST_NODE;
 	F_NODE(nd_next->nd_next, "tailing strings");