merge revision(s) 39353: [Backport #8057]
* file.c (rb_group_member): added an error check. SUS says, getgroups(small_value) may return EINVAL.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_0_0@39653 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Added by nagachika (Tomoyuki Chikanaga) about 11 years ago
merge revision(s) 39353: [Backport #8057]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_0_0@39653 b2dd03c8-39d4-4d8f-98ff-823fe69b080e