merge revision(s) 51344: [Backport #11387]
* string.c (rb_str_reverse): reversed string is not a substring, and should not set coderange of the original string. [ruby-dev:49189] [Bug #11387]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_1@51600 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
merge revision(s) 51344: [Backport #11387]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_1@51600 b2dd03c8-39d4-4d8f-98ff-823fe69b080e