Bug #20704
Updated by nobu (Nobuyoshi Nakada) about 2 months ago
Related to [Bug #20699].
```
C:> \Ruby33-x64\bin\ruby.exe -C xテスト_test -ep
\Ruby33-x64\bin\ruby.exe: Can't chdir to xテスト_test (fatal)
```
https://github.com/ruby/ruby/pull/11493