From 62303ed91e98549062f5cbd8292f879d79d1b791 Mon Sep 17 00:00:00 2001
From: Yuichi Nishiwaki <yuichi.nishiwaki@gmail.com>
Date: Wed, 16 Oct 2013 09:29:39 +0900
Subject: [PATCH] [gc] mark predefined symbols

---
 src/gc.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/gc.c b/src/gc.c
index eda14f25..951a66ac 100644
--- a/src/gc.c
+++ b/src/gc.c
@@ -175,6 +175,13 @@ gc_mark_phase(pic_state *pic)
   do {
     gc_mark(pic, env->assoc);
   } while ((env = env->parent) != NULL);
+
+  gc_mark(pic, pic->sDEFINE);
+  gc_mark(pic, pic->sCONS);
+  gc_mark(pic, pic->sADD);
+  gc_mark(pic, pic->sSUB);
+  gc_mark(pic, pic->sMUL);
+  gc_mark(pic, pic->sDIV);
 }
 
 static bool