From b4ab9c0e3214c619f2025fb19ff8e010d99112eb Mon Sep 17 00:00:00 2001
From: ko1 <ko1@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Fri, 18 Jan 2019 02:04:41 +0000
Subject: [PATCH] support older BASERUBY for btest.

* bootstraptest/test_insns.rb: check RbConfig::LIMITS to support
  older BASERUBY.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66860 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 bootstraptest/test_insns.rb | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/bootstraptest/test_insns.rb b/bootstraptest/test_insns.rb
index 88f36bd0c2..a093d60779 100644
--- a/bootstraptest/test_insns.rb
+++ b/bootstraptest/test_insns.rb
@@ -10,8 +10,10 @@ begin
 rescue LoadError
   # OK, just skip
 else
-  $FIXNUM_MAX = RbConfig::LIMITS["FIXNUM_MAX"]
-  $FIXNUM_MIN = RbConfig::LIMITS["FIXNUM_MIN"]
+  if defined? RbConfig::LIMITS
+    $FIXNUM_MAX = RbConfig::LIMITS["FIXNUM_MAX"]
+    $FIXNUM_MIN = RbConfig::LIMITS["FIXNUM_MIN"]
+  end
 end
 
 fsl   = { frozen_string_literal: true } # used later