* lib/fileutils.rb: enable to remove with non-owner directory.

[ruby-dev:45976] [Bug #6756]
* test/fileutils/test_fileutils.rb: add testcase for #6756.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47150 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,9 @@
+Tue Aug 12 13:34:25 2014  SHIBATA Hiroshi  <shibata.hiroshi@gmail.com>
+
+	* lib/fileutils.rb: enable to remove with non-owner directory.
+	  [ruby-dev:45976] [Bug #6756]
+	* test/fileutils/test_fileutils.rb: add testcase for #6756.
+
 Tue Aug 12 12:57:28 2014  SHIBATA Hiroshi  <shibata.hiroshi@gmail.com>
 
 	* vm_exec.c: improve performance in ppc64 arch.

lib/fileutils.rb

@@ -1489,6 +1489,7 @@ module FileUtils
           end
         end
       end
+    ensure
       yield self
     end
 

test/fileutils/test_fileutils.rb

@@ -1499,6 +1499,14 @@ class TestFileUtils < Test::Unit::TestCase
 
   def test_rm_rf
     check_singleton :rm_rf
+
+    return if /mswin|mingw/ =~ RUBY_PLATFORM
+
+    mkdir 'tmpdatadir'
+    chmod 700, 'tmpdatadir'
+    rm_rf 'tmpdatadir'
+
+    assert_file_not_exist 'tmpdatadir'
   end
 
   def test_rmdir