add a test: def m() yield end; p m {|((*))|}.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@12882 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

bootstraptest/test_block.rb

@@ -382,7 +382,6 @@ assert_equal 'nil', %q{
   m {|(v,(*))|}.inspect
 }
 
-
 # [ruby-dev:31153]
 assert_equal 'nil', %q{
   def m()
@@ -391,3 +390,10 @@ assert_equal 'nil', %q{
   m {|(*,a,b)|}.inspect
 }
 
+assert_equal 'nil', %q{
+  def m()
+    yield
+  end
+  m {|((*))|}.inspect
+}
+