Ruby

merge revision(s) 9e0a91d0640600f2dfd7fc1d5fae6667019c9ca5: [Backport #18458]

    Don't segfault if Warning.warn is undefined

    Check that there is a method entry for the method before passing
    it to rb_method_entry_arity.

    Fixes [Bug #18458]
    ---
     error.c                     | 3 ++-
     test/ruby/test_exception.rb | 8 ++++++++
     2 files changed, 10 insertions(+), 1 deletion(-)