merge revision(s) 67188: [Backport #15642]
io.c: chomp CR at the end of read buffer * io.c (rb_io_getline_fast): chomp CR followed by LF but separated by the read buffer boundary. [ruby-core:91707] [Bug #15642]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_6@67207 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
merge revision(s) 67188: [Backport #15642]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_6@67207 b2dd03c8-39d4-4d8f-98ff-823fe69b080e