From e386760cc7b7958a8948b0a23b35b3a9df30c354 Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby-lang.org>
Date: Mon, 4 Nov 2013 23:58:32 +0900
Subject: add Fiber.current

---
 src/gc.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/gc.c b/src/gc.c
index 361024af3..ccd925da8 100644
--- a/src/gc.c
+++ b/src/gc.c
@@ -619,7 +619,8 @@ obj_free(mrb_state *mrb, struct RBasic *obj)
     {
       struct mrb_context *c = ((struct RFiber*)obj)->cxt;
 
-      mrb_free_context(mrb, c);
+      if (c != mrb->root_c)
+        mrb_free_context(mrb, c);
     }
     break;
 
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