Commit e91c39f1c0f7d5e670266d9593d533fd444957f6 deleted definition of it.
Though I'm not sure if we can delete public API like this, it no longer
works nontheless. Having declaration without definiton is worse than
having nothing at all. Just delete the declartion too.
Added by shyouhei (Shyouhei Urabe) over 5 years ago
rb_check_safe_obj no longer exists
Commit e91c39f1c0f7d5e670266d9593d533fd444957f6 deleted definition of it.
Though I'm not sure if we can delete public API like this, it no longer
works nontheless. Having declaration without definiton is worse than
having nothing at all. Just delete the declartion too.