Pass keyword argument flag when rb_call_super_kw calls method_missing

This makes method_missing take a flag for whether keyword arguments
were passed.

Adds tests both for rb_call_super_kw usage as well as general usage
of super calling method_missing in Ruby methods.

1 files changed, 14 insertions, 0 deletions

diff --git a/ext/-test-/rb_call_super_kw/rb_call_super_kw.c b/ext/-test-/rb_call_super_kw/rb_call_super_kw.c
new file mode 100644
index 0000000000..7f094545d2
--- /dev/null
+++ b/ext/-test-/rb_call_super_kw/rb_call_super_kw.c
@@ -0,0 +1,14 @@
+#include <ruby.h>
+
+static VALUE
+rb_call_super_kw_m(int argc, VALUE *argv, VALUE self)
+{
+    return rb_call_super_kw(argc, argv, RB_PASS_CALLED_KEYWORDS);
+}
+
+void
+Init_rb_call_super_kw(void) {
+    VALUE module = rb_define_module("Bug");
+    module = rb_define_module_under(module, "RbCallSuperKw");
+    rb_define_method(module, "m", rb_call_super_kw_m, -1);
+}