[ruby/stringio] Do not issue warning when calling set_encoding if string is chilled
StringIO does not warn for unchilled unfrozen string or for frozen string, so it should not warn for chilled string.
https://github.com/ruby/stringio/commit/4ac33b8c70
Added by jeremyevans (Jeremy Evans) 6 months ago
[ruby/stringio] Do not issue warning when calling set_encoding if string is chilled
StringIO does not warn for unchilled unfrozen string or for frozen
string, so it should not warn for chilled string.
https://github.com/ruby/stringio/commit/4ac33b8c70