parse.y: use nd_tag

* parse.y (regexp): set_yylval_num sets u1, should use nd_tag
  instead of nd_state.  [ruby-core:72638] [Bug #11932]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53411 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 11 insertions, 0 deletions

diff --git a/test/ripper/test_ripper.rb b/test/ripper/test_ripper.rb
index e0b65a04d8..7631b91042 100644
--- a/test/ripper/test_ripper.rb
+++ b/test/ripper/test_ripper.rb
@@ -61,4 +61,15 @@ class TestRipper::Ripper < Test::Unit::TestCase
     assert_predicate @ripper, :yydebug
   end
 
+  def test_regexp_with_option
+    bug11932 = '[ruby-core:72638] [Bug #11932]'
+    src = '/[\xC0-\xF0]/u'.force_encoding(Encoding::UTF_8)
+    ripper = Ripper.new(src)
+    ripper.parse
+    assert_predicate(ripper, :error?)
+    src = '/[\xC0-\xF0]/n'.force_encoding(Encoding::UTF_8)
+    ripper = Ripper.new(src)
+    ripper.parse
+    assert_not_predicate(ripper, :error?, bug11932)
+  end
 end if ripper_test