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-rw-r--r--src/parse.y8
1 files changed, 7 insertions, 1 deletions
diff --git a/src/parse.y b/src/parse.y
index 55c82c12d..eae9fb373 100644
--- a/src/parse.y
+++ b/src/parse.y
@@ -5163,7 +5163,13 @@ parser_dump(mrb_state *mrb, node *tree, int offset)
if (n2->car) {
dump_prefix(offset+2);
printf("rest:\n");
- parser_dump(mrb, n2->car, offset+3);
+ if (n2->car == (node*)-1) {
+ dump_prefix(offset+2);
+ printf("(empty)\n");
+ }
+ else {
+ parser_dump(mrb, n2->car, offset+3);
+ }
}
n2 = n2->cdr;
if (n2) {