parse.y: yylval.num should be u3

* parse.y (set_yylval_num): should be used as nd_state, set to u3.
  [ruby-core:72638] [Bug #11932]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53409 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Sat Jan  2 11:11:01 2016  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* parse.y (set_yylval_num): should be used as nd_state, set to u3.
+	  [ruby-core:72638] [Bug #11932]
+
 Sat Jan  2 02:27:22 2016  Marc-Andre Lafortune  <ruby-core@marc-andre.ca>
 
 	* lib/ostruct.rb: Fix case of frozen object with initializer.

parse.y

@@ -5251,7 +5251,7 @@ ripper_yylval_id(ID x)
     return ripper_new_yylval(x, ID2SYM(x), 0);
 }
 # define set_yylval_str(x) (yylval.val = (x))
-# define set_yylval_num(x) (yylval.val = ripper_new_yylval((x), 0, 0))
+# define set_yylval_num(x) (yylval.val = ripper_new_yylval(0, 0, (x)))
 # define set_yylval_id(x)  (void)(x)
 # define set_yylval_name(x) (void)(yylval.val = ripper_yylval_id(x))
 # define set_yylval_literal(x) (void)(x)

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