vm_method.c: avoid signature mismatch in rb_f_notimplement call

`rb_f_notimplement` has a similar signature with arity=-1, but it has an
extra marker argument to distinguish it from other methods in
compile-time type check in rb_define_method.
This trick is introduced to override a given arity to be -1 since
https://github.com/ruby/ruby/commit/9ef51b0b89a10c8c401cb9f2337e47a25be72cbe

However, the trailing extra argument introduces a signature mismatch
between caller and callee expectation.
This patch adds rb_f_notimplement_internal, which has canonical arity=-1
signature, and makes rb_define_method family to inserts a method entry
with rb_f_notimplement_internal instead of rb_f_notimplement.

0 files changed, 0 insertions, 0 deletions