From 09063f9d30658da148b2a4dd40ceca7d150e4aa6 Mon Sep 17 00:00:00 2001
From: naruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 3 May 2012 22:50:30 +0000
Subject: [PATCH] Embed backtrace to debug.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@35535 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/ruby/test_signal.rb | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/test/ruby/test_signal.rb b/test/ruby/test_signal.rb
index 13bb771120..0e3af06d7b 100644
--- a/test/ruby/test_signal.rb
+++ b/test/ruby/test_signal.rb
@@ -207,7 +207,8 @@ th = Thread.new do
   begin
     require ARGV[0]
   ensure
-    Marshal.dump($!, STDOUT)
+    err = $! ? [$!, $!.backtrace] : $!
+    Marshal.dump(err, STDOUT)
     STDOUT.flush
   end
 end