From 0b858ab801d51b3eda478e30164eda562c14cea4 Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby-lang.org>
Date: Mon, 13 May 2013 10:41:59 +0900
Subject: show a backtrace when when an error occurs on gem load; close #1243

---
 tasks/mrbgem_spec.rake | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tasks/mrbgem_spec.rake b/tasks/mrbgem_spec.rake
index f5edc515b..2ed72c3ff 100644
--- a/tasks/mrbgem_spec.rake
+++ b/tasks/mrbgem_spec.rake
@@ -136,6 +136,7 @@ module MRuby
           unless rbfiles.empty?
             f.puts %Q[  mrb_load_irep(mrb, gem_mrblib_irep_#{funcname});]
             f.puts %Q[  if (mrb->exc) {]
+            f.puts %Q[    mrb_print_backtrace(mrb);]
             f.puts %Q[    mrb_p(mrb, mrb_obj_value(mrb->exc));]
             f.puts %Q[    exit(EXIT_FAILURE);]
             f.puts %Q[  }]
-- 
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