* parse.y (ripper_get_value): escape Qundef.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27499 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 0 deletions

diff --git a/parse.y b/parse.y
index f542d875f9..8dd7de3bda 100644
--- a/parse.y
+++ b/parse.y
@@ -10351,6 +10351,7 @@ static VALUE
 ripper_get_value(VALUE v)
 {
     NODE *nd;
+    if (v == Qundef) return Qnil;
     if (!RB_TYPE_P(v, T_NODE)) return v;
     nd = (NODE *)v;
     if (nd_type(nd) != NODE_LASGN) return Qnil;