Fix keyword argument separation warnings for enumerators

This makes objects created via #to_enum and related methods pass
keyword arguments as keywords.

To implement this, add a kw_splat member of struct enumerator and
struct iter_method_arg, and add rb_block_call_kw, which is the
same as rb_block_call_kw with a flag for whether the last argument
is keyword options.

0 files changed, 0 insertions, 0 deletions