Allow ** syntax to be used for calling methods that do not accept keywords

Treat the ** syntax as passing a copy of the hash as the last
positional argument.  If the hash being double splatted is empty, do
not add a positional argument.

Remove rb_no_keyword_hash, no longer needed.

1 files changed, 0 insertions, 1 deletions

diff --git a/internal.h b/internal.h
index 2818467c19..5a846c13e0 100644
--- a/internal.h
+++ b/internal.h
@@ -2397,7 +2397,6 @@ VALUE rb_str_normalize_ospath(const char *ptr, long len);
 /* hash.c (export) */
 VALUE rb_hash_delete_entry(VALUE hash, VALUE key);
 VALUE rb_ident_hash_new(void);
-extern VALUE rb_no_keyword_hash;
 
 /* io.c (export) */
 void rb_maygvl_fd_fix_cloexec(int fd);