Propagate kw_splat information

The kw_splat flag is whether the original call passes keyword or not.
Some types of methods (e.g., bmethod and sym_proc) drops the
information.  This change tries to propagate the flag to the final
callee, as far as I can.

1 files changed, 2 insertions, 1 deletions

diff --git a/vm_core.h b/vm_core.h
index 60c258e1f3..a679f0593f 100644
--- a/vm_core.h
+++ b/vm_core.h
@@ -255,6 +255,7 @@ struct rb_calling_info {
     VALUE block_handler;
     VALUE recv;
     int argc;
+    int kw_splat;
 };
 
 struct rb_execution_context_struct;
@@ -1627,7 +1628,7 @@ void rb_iseq_pathobj_set(const rb_iseq_t *iseq, VALUE path, VALUE realpath);
 int rb_ec_frame_method_id_and_class(const rb_execution_context_t *ec, ID *idp, ID *called_idp, VALUE *klassp);
 void rb_ec_setup_exception(const rb_execution_context_t *ec, VALUE mesg, VALUE cause);
 
-VALUE rb_vm_invoke_proc(rb_execution_context_t *ec, rb_proc_t *proc, int argc, const VALUE *argv, VALUE block_handler);
+VALUE rb_vm_invoke_proc(rb_execution_context_t *ec, rb_proc_t *proc, int argc, const VALUE *argv, int kw_splat, VALUE block_handler);
 
 VALUE rb_vm_make_proc_lambda(const rb_execution_context_t *ec, const struct rb_captured_block *captured, VALUE klass, int8_t is_lambda);
 static inline VALUE