Revert r53431 "temporally revert r53411 to debug"

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53434 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

parse.y

@@ -4042,7 +4042,7 @@ regexp		: tREGEXP_BEG regexp_contents tREGEXP_END
 			}
 			if (ripper_is_node_yylval(opt)) {
 			    $3 = RNODE(opt)->nd_rval;
-			    options = (int)RNODE(opt)->nd_state;
+			    options = (int)RNODE(opt)->nd_tag;
 			}
 			if (src && NIL_P(rb_parser_reg_compile(parser, src, options, &err))) {
 			    compile_error(PARSER_ARG "%"PRIsVALUE, err);

test/ripper/test_ripper.rb

@@ -60,4 +60,16 @@ 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