nobu	2014-02-05 15:49:35 +0900 (Wed, 05 Feb 2014)

  New Revision: 44836

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=44836

  Log:
    parse.y: symbol names must be ascii-compatible
    
    * parse.y (rb_enc_symname_type): encoding of symbol names must be
      ascii-compatible, reject ascii-incompatible encodings.

  Modified files:
    trunk/parse.y
    trunk/test/ruby/test_module.rb
Index: parse.y
===================================================================
--- parse.y	(revision 44835)
+++ parse.y	(revision 44836)
@@ -10231,6 +10231,7 @@ rb_enc_symname_type(const char *name, lo https://github.com/ruby/ruby/blob/trunk/parse.y#L10231
     const char *e = m + len;
     int type = ID_JUNK;
 
+    if (!rb_enc_asciicompat(enc)) return -1;
     if (!m || len <= 0) return -1;
     switch (*m) {
       case '\0':
Index: test/ruby/test_module.rb
===================================================================
--- test/ruby/test_module.rb	(revision 44835)
+++ test/ruby/test_module.rb	(revision 44836)
@@ -651,6 +651,11 @@ class TestModule < Test::Unit::TestCase https://github.com/ruby/ruby/blob/trunk/test/ruby/test_module.rb#L651
     assert_raise(NameError) { c1.const_set(:foo, :foo) }
     assert_raise(NameError) { c1.const_set("bar", :foo) }
     assert_raise(TypeError) { c1.const_set(1, :foo) }
+    assert_nothing_raised(NameError) { c1.const_set("X\u{3042}", :foo) }
+    assert_raise(NameError) { c1.const_set("X\u{3042}".encode("utf-16be"), :foo) }
+    assert_raise(NameError) { c1.const_set("X\u{3042}".encode("utf-16le"), :foo) }
+    assert_raise(NameError) { c1.const_set("X\u{3042}".encode("utf-32be"), :foo) }
+    assert_raise(NameError) { c1.const_set("X\u{3042}".encode("utf-32le"), :foo) }
   end
 
   def test_const_get_invalid_name

--
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