Replace parser & node compile_option from Hash to bit field

This commit reduces dependency to CRuby object.

1 files changed, 0 insertions, 1 deletions

diff --git a/node.c b/node.c
index 1d3b7b75e4..bd03454bef 100644
--- a/node.c
+++ b/node.c
@@ -392,7 +392,6 @@ rb_ast_mark(rb_ast_t *ast)
     if (ast->node_buffer) {
         rb_gc_mark(ast->node_buffer->mark_hash);
         rb_gc_mark(ast->node_buffer->tokens);
-        if (ast->body.compile_option) rb_gc_mark(ast->body.compile_option);
         node_buffer_t *nb = ast->node_buffer;
         iterate_node_values(ast, &nb->markable, mark_ast_value, NULL);
         if (ast->body.script_lines) rb_gc_mark(ast->body.script_lines);