From 357e478e2cf9f4c695dea1b5efbc3783225576ee Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby-lang.org>
Date: Thu, 15 Jun 2017 14:53:49 +0900
Subject: Mark the exception object in the final marking phase; ref #3702

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

(limited to 'src/gc.c')

diff --git a/src/gc.c b/src/gc.c
index 475449b2f..1ac881d81 100644
--- a/src/gc.c
+++ b/src/gc.c
@@ -995,6 +995,7 @@ static void
 final_marking_phase(mrb_state *mrb, mrb_gc *gc)
 {
   mark_context(mrb, mrb->c);
+  mrb_gc_mark(mrb, (struct RBasic*)mrb->exc);
   gc_mark_gray_list(mrb, gc);
   mrb_assert(gc->gray_list == NULL);
   gc->gray_list = gc->atomic_gray_list;
-- 
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