Yusuke Endoh 5bd144c1bb Add a temporal debugging code
... to check the return value of ioctl

http://ci.rvm.jp/results/trunk_asan@ruby-sp1/5423172
```
/tmp/ruby/src/trunk_asan/lib/reline/io/ansi.rb:192: [BUG] rb_sys_fail_str(<STDIN>) - errno == 0
```
2024-11-22 15:00:20 +09:00
..
2024-11-22 15:00:20 +09:00
2024-04-27 21:55:28 +09:00