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ruby-changes:46707

From: k0kubun <ko1@a...>
Date: Sun, 21 May 2017 01:20:14 +0900 (JST)
Subject: [ruby-changes:46707] k0kubun:r58822 (trunk): erb.rb: Prevent potential unexpected rescue

k0kubun	2017-05-21 01:20:07 +0900 (Sun, 21 May 2017)

  New Revision: 58822

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=58822

  Log:
    erb.rb: Prevent potential unexpected rescue
    
    of LoadError in some method calls, not from `require "strscan"`.

  Modified files:
    trunk/lib/erb.rb
Index: lib/erb.rb
===================================================================
--- lib/erb.rb	(revision 58821)
+++ lib/erb.rb	(revision 58822)
@@ -501,6 +501,8 @@ class ERB https://github.com/ruby/ruby/blob/trunk/lib/erb.rb#L501
 
     begin
       require 'strscan'
+    rescue LoadError
+    else
       class SimpleScanner < Scanner # :nodoc:
         def scan
           stag_reg = /(.*?)(#{stags.join('|')}|\z)/m
@@ -540,8 +542,6 @@ class ERB https://github.com/ruby/ruby/blob/trunk/lib/erb.rb#L542
         end
       end
       Scanner.regist_scanner(ExplicitScanner, '-', false)
-
-    rescue LoadError
     end
 
     class Buffer # :nodoc:

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