1 files changed, 7 insertions, 5 deletions
diff --git a/parse.y b/parse.y
index 0945560aa0..153f669514 100644
--- a/parse.y
+++ b/parse.y
@@ -5356,9 +5356,13 @@ ruby_parser_stack_on_heap()
 void
 rb_gc_mark_parser()
 {
-    if (ruby_in_compile) {
-        rb_gc_mark_maybe((VALUE)yylval.node);
-    }
+    if (!ruby_in_compile) return;
+
+    rb_gc_mark_maybe((VALUE)yylval.node);
+    rb_gc_mark((VALUE)ruby_eval_tree_begin);
+    rb_gc_mark((VALUE)ruby_eval_tree);
+    rb_gc_mark((VALUE)lex_lastline);
+    rb_gc_mark((VALUE)lex_strterm);
 }
 
 void
@@ -5443,8 +5447,6 @@ Init_sym()
 {
     sym_tbl = st_init_strtable_with_size(200);
     sym_rev_tbl = st_init_numtable_with_size(200);
-    rb_global_variable((VALUE*)&lex_lastline);
-    rb_global_variable((VALUE*)&lex_strterm);
 }
 
 static ID last_id = LAST_TOKEN;