file.c: rb_sys_fail_path_with_func
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39760 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
file.c: rb_sys_fail_path_with_func
may be nil.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39760 b2dd03c8-39d4-4d8f-98ff-823fe69b080e