Fix more keyword separation issues

This fixes instance_exec and similar methods. It also fixes
Enumerator::Yielder#yield, rb_yield_block, and a couple of cases
with Proc#{<<,>>}.

This support requires the addition of rb_yield_values_kw, similar to
rb_yield_values2, for passing the keyword flag.

Unlike earlier attempts at this, this does not modify the rb_block_call_func
type or add a separate function type.  The functions of type
rb_block_call_func are called by Ruby with a separate VM frame, and we can
get the keyword flag information from the VM frame flags, so it doesn't need
to be passed as a function argument.

These changes require the following VM functions accept a keyword flag:

* vm_yield_with_cref
* vm_yield
* vm_yield_with_block

1 files changed, 1 insertions, 1 deletions

diff --git a/hash.c b/hash.c
index 8b84a14484..d00a09db5b 100644
--- a/hash.c
+++ b/hash.c
@@ -4471,7 +4471,7 @@ rb_hash_gt(VALUE hash, VALUE other)
 }
 
 static VALUE
-hash_proc_call(VALUE key, VALUE hash, int argc, const VALUE *argv, VALUE passed_proc)
+hash_proc_call(RB_BLOCK_CALL_FUNC_ARGLIST(key, hash))
 {
     rb_check_arity(argc, 1, 1);
     return rb_hash_aref(hash, *argv);