safe.c: preserve encoding

* safe.c (rb_insecure_operation): preserve encoding of the called
  method name in error messages.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48570 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 6 insertions, 0 deletions

diff --git a/test/ruby/test_file.rb b/test/ruby/test_file.rb
index 0825c5dd7b..16b76b71fe 100644
--- a/test/ruby/test_file.rb
+++ b/test/ruby/test_file.rb
@@ -390,6 +390,12 @@ class TestFile < Test::Unit::TestCase
     (0..1).each do |level|
       assert_nothing_raised(SecurityError, bug5374) {in_safe[level]}
     end
+    def (s = Object.new).to_path; "".taint; end
+    m = "\u{691c 67fb}"
+    (c = Class.new(File)).singleton_class.class_eval {alias_method m, :stat}
+    assert_raise_with_message(SecurityError, /#{m}/) {
+      proc {$SAFE = 3; c.__send__(m, s)}.call
+    }
   end
 
   if /(bcc|ms|cyg)win|mingw|emx/ =~ RUBY_PLATFORM