transcode.c: added check for frozen string for encode! (see Bug #1836)
test/ruby/test_transcode.rb: added tests for the above
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@24322 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
transcode.c: added check for frozen string for encode! (see Bug #1836)
test/ruby/test_transcode.rb: added tests for the above
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@24322 b2dd03c8-39d4-4d8f-98ff-823fe69b080e