* lib/irb.rb: avoid to needless truncation when using back_trace_limit option.

[fix GH-1205][ruby-core:72773][Bug #11969]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53943 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Fri Feb 26 10:52:29 2016  Alex Boyd  <alex@opengroove.org>
+
+	* lib/irb.rb: avoid to needless truncation when using back_trace_limit option.
+	  [fix GH-1205][ruby-core:72773][Bug #11969]
+
 Fri Feb 26 08:11:58 2016  Aaron Patterson <tenderlove@ruby-lang.org>
 
 	* gem_prelude.rb: Reduce system calls by activating the `did_you_mean`

lib/irb.rb

@@ -525,7 +525,7 @@ module IRB
             print messages.join("\n"), "\n"
             unless lasts.empty?
               printf "... %d levels...\n", levels if levels > 0
-              print lasts.join("\n")
+              print lasts.join("\n"), "\n"
             end
             print "Maybe IRB bug!\n" if irb_bug
           end