parse.y: mark

* parse.y (parser_mark): mark compile option hash.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51979 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 0 deletions

diff --git a/parse.y b/parse.y
index 798645abed..92cc25824c 100644
--- a/parse.y
+++ b/parse.y
@@ -10604,6 +10604,7 @@ parser_mark(void *ptr)
     rb_gc_mark((VALUE)ruby_eval_tree_begin);
     rb_gc_mark((VALUE)ruby_eval_tree);
     rb_gc_mark(ruby_debug_lines);
+    rb_gc_mark(parser->compile_option);
 #else
     rb_gc_mark(parser->delayed);
     rb_gc_mark(parser->value);