From f13b0fd8f31fbbdf58bbf45f58f1fa798b4c55b2 Mon Sep 17 00:00:00 2001
From: k0kubun <k0kubun@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 27 May 2018 07:33:18 +0000
Subject: [PATCH] jit_support.rb: debug check_support stderr

rubyci freebsd11zfs doesn't pass this check. I want to know the stderr.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63507 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/lib/jit_support.rb | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/test/lib/jit_support.rb b/test/lib/jit_support.rb
index adc89317dd..0759a664e2 100644
--- a/test/lib/jit_support.rb
+++ b/test/lib/jit_support.rb
@@ -19,7 +19,11 @@ module JITSupport
       $stderr.puts "TestJIT: #jit_supported? check timed out"
       false
     else
-      err.match?(JIT_SUCCESS_PREFIX)
+      err.match?(JIT_SUCCESS_PREFIX).tap do |success|
+        unless success
+          $stderr.puts "TestJIT.check_support stderr:\n```\n#{err}\n```\n"
+        end
+      end
     end
   end