diff --git a/ChangeLog b/ChangeLog
index 883ed4bf12..ce252f1a1b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,28 @@
+Mon Apr 18 13:48:05 2016  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* cygwin/GNUmakefile.in (MSYS2_ARG_CONV_EXCL_PARAM):
+	  * add missing parentheses and remove double quotes.
+	  * rename to get rid of recursive references.
+	  * as --excludes-dir option is for a path name, its argument
+	    should be converted.
+	  [ruby-dev:49526] [Bug #12199]
+
+Mon Apr 18 13:48:05 2016  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* common.mk (TEST_EXCLUDES, EXCLUDE_TESTFRAMEWORK): use full spell
+	  long option.
+
+	* cygwin/GNUmakefile.in (MSYS2_ARG_CONV_EXCL): suppress path name
+	  conversions by msys2.  [ruby-dev:49525] [Bug #12199]
+
+Mon Apr 18 13:48:05 2016  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* test/lib/test/unit.rb (Options#non_options): make regexp name
+	  options prefixed with "!" negative filters.
+
+	* common.mk (TEST_EXCLUDES): use negative filter to exclude memory
+	  leak tests.  -x option excludes test files, not test methods.
+
 Sun Apr 17 04:30:13 2016  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* parse.y (parse_ident): allow keyword arguments just after a
diff --git a/common.mk b/common.mk
index 7e19032408..d6811f42d9 100644
--- a/common.mk
+++ b/common.mk
@@ -153,8 +153,8 @@ PRE_LIBRUBY_UPDATE = $(MINIRUBY) -e 'ARGV[1] or File.unlink(ARGV[0]) rescue nil'
 			$(LIBRUBY_EXTS) $(LIBRUBY_SO_UPDATE)
 
 TESTSDIR      = $(srcdir)/test
-TEST_EXCLUDES = --excludes=$(TESTSDIR)/excludes -x /memory_leak/
-EXCLUDE_TESTFRAMEWORK = -x /testunit/ -x /minitest/
+TEST_EXCLUDES = --excludes-dir=$(TESTSDIR)/excludes --name=!/memory_leak/
+EXCLUDE_TESTFRAMEWORK = --exclude=/testunit/ --exclude=/minitest/
 TESTWORKDIR   = testwork
 TESTOPTS      = $(RUBY_TESTOPTS)
 
diff --git a/cygwin/GNUmakefile.in b/cygwin/GNUmakefile.in
index 14ffd1db85..edf02242ee 100644
--- a/cygwin/GNUmakefile.in
+++ b/cygwin/GNUmakefile.in
@@ -88,6 +88,13 @@ $(OBJS) $(MAINOBJ): win32.h
 
 dir.$(OBJEXT) win32/win32.$(OBJEXT): win32/dir.h
 file.$(OBJEXT) win32/win32.$(OBJEXT): win32/file.h
+
+MSYS2_ARG_CONV_EXCL_PARAM = --exclude=;--name=
+
+yes-test-ruby:	 export MSYS2_ARG_CONV_EXCL=$(MSYS2_ARG_CONV_EXCL_PARAM)
+yes-test-all:	 export MSYS2_ARG_CONV_EXCL=$(MSYS2_ARG_CONV_EXCL_PARAM)
+yes-test-almost: export MSYS2_ARG_CONV_EXCL=$(MSYS2_ARG_CONV_EXCL_PARAM)
+
 endif
 
 $(LIBRUBY_SO): $(RUBYDEF)
diff --git a/test/lib/test/unit.rb b/test/lib/test/unit.rb
index f9c106f9ed..c92a5ec01d 100644
--- a/test/lib/test/unit.rb
+++ b/test/lib/test/unit.rb
@@ -87,7 +87,7 @@ module Test
         end
 
         opts.on '-n', '--name PATTERN', "Filter test method names on pattern: /REGEXP/ or STRING" do |a|
-          options[:filter] = a
+          (options[:filter] ||= []) << a
         end
 
         opts.on '--test-order=random|alpha|sorted', [:random, :alpha, :sorted] do |a|
@@ -96,6 +96,30 @@ module Test
       end
 
       def non_options(files, options)
+        filter = options[:filter]
+        if filter
+          pos_pat = /\A\/(.*)\/\z/
+          neg_pat = /\A!\/(.*)\/\z/
+          negative, positive = filter.partition {|s| neg_pat =~ s}
+          if positive.empty?
+            filter = nil
+          elsif negative.empty? and positive.size == 1 and pos_pat !~ positive[0]
+            filter = positive[0]
+          else
+            filter = Regexp.union(*positive.map! {|s| s[pos_pat, 1] || "\\A#{Regexp.quote(s)}\\z"})
+          end
+          unless negative.empty?
+            negative = Regexp.union(*negative.map! {|s| s[neg_pat, 1]})
+            filter = /\A(?!.*#{negative})#{filter}/
+          end
+          if Regexp === filter
+            # bypass conversion in minitest
+            def filter.=~(other)    # :nodoc:
+              super unless Regexp === other
+            end
+          end
+          options[:filter] = filter
+        end
         true
       end
     end
@@ -589,9 +613,7 @@ module Test
           @verbose = !options[:parallel]
           @output = Output.new(self)
         end
-        if /\A\/(.*)\/\z/ =~ (filter = options[:filter])
-          filter = Regexp.new($1)
-        end
+        filter = options[:filter]
         type = "#{type}_methods"
         total = if filter
                   suites.inject(0) {|n, suite| n + suite.send(type).grep(filter).size}
diff --git a/version.h b/version.h
index b797a8c094..7aca7a5597 100644
--- a/version.h
+++ b/version.h
@@ -1,10 +1,10 @@
 #define RUBY_VERSION "2.3.0"
-#define RUBY_RELEASE_DATE "2016-04-17"
-#define RUBY_PATCHLEVEL 85
+#define RUBY_RELEASE_DATE "2016-04-18"
+#define RUBY_PATCHLEVEL 86
 
 #define RUBY_RELEASE_YEAR 2016
 #define RUBY_RELEASE_MONTH 4
-#define RUBY_RELEASE_DAY 17
+#define RUBY_RELEASE_DAY 18
 
 #include "ruby/version.h"