* parse.y (rb_intern3): prohibit Symbol with an invalid encoding.

  [ruby-core:24621]

* test/ruby/test_m17n_comb.rb: modify a test for above.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@26957 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 3 insertions, 1 deletions

diff --git a/test/ruby/test_m17n_comb.rb b/test/ruby/test_m17n_comb.rb
index ab891363b1..cf80377172 100644
--- a/test/ruby/test_m17n_comb.rb
+++ b/test/ruby/test_m17n_comb.rb
@@ -1040,10 +1040,12 @@ class TestM17NComb < Test::Unit::TestCase
     STRINGS.each {|s|
       if /\0/ =~ a(s)
         assert_raise(ArgumentError) { s.intern }
-      else
+      elsif s.valid_encoding?
         sym = s.intern
         assert_equal(s, sym.to_s, "#{encdump s}.intern.to_s")
         assert_equal(sym, s.to_sym)
+      else
+        assert_raise(EncodingError) { s.intern }
       end
     }
   end