parse.y: preserve encoding

* parse.y (parser_yyerror): preserve source code encoding in
  syntax error messages.  [ruby-core:64228] [Bug #10114]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47090 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 6 insertions, 0 deletions

diff --git a/test/ruby/test_syntax.rb b/test/ruby/test_syntax.rb
index c20f85feea..1e988ddde7 100644
--- a/test/ruby/test_syntax.rb
+++ b/test/ruby/test_syntax.rb
@@ -435,6 +435,12 @@ eom
     assert_syntax_error("0.0.0", msg)
   end
 
+  def test_error_message_encoding
+    bug10114 = '[ruby-core:64228] [Bug #10114]'
+    code = "# -*- coding: utf-8 -*-\n" "def n \"\u{2208}\"; end"
+    assert_syntax_error(code, /def n "\u{2208}"; end/, bug10114)
+  end
+
   private
 
   def not_label(x) @result = x; @not_label ||= nil end