diff --git a/ChangeLog b/ChangeLog
index b1c62526fa..7f80445288 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Mon Feb 15 01:20:08 2016  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* parse.y (regexp): set_yylval_num sets u1, should use nd_tag
+	  instead of nd_state.  [ruby-core:72638] [Bug #11932]
+
 Tue Jan 26 21:52:16 2016  Joseph Tibbertsma  <josephtibbertsma@gmail.com>
 
 	* gc.c (RVALUE_PAGE_WB_UNPROTECTED): fix a typo of argument name.
diff --git a/parse.y b/parse.y
index 2cd6ea30b1..37c7fd04e1 100644
--- a/parse.y
+++ b/parse.y
@@ -4016,7 +4016,7 @@ 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);
diff --git a/test/ripper/test_files.rb b/test/ripper/test_files.rb
index 5541a09368..f8202482a4 100644
--- a/test/ripper/test_files.rb
+++ b/test/ripper/test_files.rb
@@ -6,14 +6,14 @@ class TestRipper::Generic < Test::Unit::TestCase
     srcdir = File.expand_path("../../..", __FILE__)
     assert_separately(%W[--disable-gem -rripper - #{srcdir}],
                       __FILE__, __LINE__, <<-'eom', timeout: Float::INFINITY)
-      TEST_RATIO = 0.05 # testing all files needs too long time...
+      TEST_RATIO = (ENV["TEST_RIPPER_RATIO"].nil? ? 0.05 : ENV["TEST_RIPPER_RATIO"].to_f) # testing all files needs too long time...
       class Parser < Ripper
         PARSER_EVENTS.each {|n| eval "def on_#{n}(*args) r = [:#{n}, *args]; r.inspect; Object.new end" }
         SCANNER_EVENTS.each {|n| eval "def on_#{n}(*args) r = [:#{n}, *args]; r.inspect; Object.new end" }
       end
       dir = ARGV.shift
       for script in Dir["#{dir}/{lib,sample,ext,test}/**/*.rb"].sort
-        next if TEST_RATIO < rand
+        next if TEST_RATIO and TEST_RATIO < rand
         assert_nothing_raised("ripper failed to parse: #{script.inspect}") {
           Parser.new(File.read(script), script).parse
         }
diff --git a/test/ripper/test_ripper.rb b/test/ripper/test_ripper.rb
index 1544e5682f..523d29ed04 100644
--- a/test/ripper/test_ripper.rb
+++ b/test/ripper/test_ripper.rb
@@ -60,4 +60,15 @@ 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
diff --git a/version.h b/version.h
index 38fed768a5..25b35add5c 100644
--- a/version.h
+++ b/version.h
@@ -1,10 +1,10 @@
 #define RUBY_VERSION "2.2.5"
-#define RUBY_RELEASE_DATE "2016-01-26"
-#define RUBY_PATCHLEVEL 237
+#define RUBY_RELEASE_DATE "2016-02-15"
+#define RUBY_PATCHLEVEL 238
 
 #define RUBY_RELEASE_YEAR 2016
-#define RUBY_RELEASE_MONTH 1
-#define RUBY_RELEASE_DAY 26
+#define RUBY_RELEASE_MONTH 2
+#define RUBY_RELEASE_DAY 15
 
 #include "ruby/version.h"