compile.c: kw splat after splat

* compile.c (setup_args): set keyword splat flag after splat
  arguments.  [ruby-core:83638] [Bug #10856]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60613 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

compile.c

@@ -4197,6 +4197,8 @@ setup_args(rb_iseq_t *iseq, LINK_ANCHOR *const args, const NODE *argn,
 	    INSERT_LIST(args_splat, tmp);
 	    nsplat++;
 	    *flag |= VM_CALL_ARGS_SPLAT;
+	    if (nd_type(argn->nd_body) == NODE_HASH)
+		*flag |= VM_CALL_KW_SPLAT;
 
 	    if (next_is_array) {
 		int len = compile_array(iseq, args, argn->nd_head, COMPILE_ARRAY_TYPE_ARGS, NULL, flag, FALSE);

test/ruby/test_keyword.rb

@@ -513,11 +513,17 @@ class TestKeywordArguments < Test::Unit::TestCase
     }
     o = {}
     assert_equal(:ok, m.f(**o), '[ruby-core:68124] [Bug #10856]')
+    a = []
+    assert_equal(:ok, m.f(*a, **o), '[ruby-core:83638] [Bug #10856]')
 
     o = {a: 42}
     assert_equal({a: 42}, m.f2(**o), '[ruby-core:82280] [Bug #13791]')
 
     assert_equal({a: 42}, m.f2("a".to_sym => 42), '[ruby-core:82291] [Bug #13793]')
+
+    o = {}
+    a = [:ok]
+    assert_equal(:ok, m.f2(*a, **o), '[ruby-core:83638] [Bug #10856]')
   end
 
   def test_gced_object_in_stack