splat keyword hash

* compile.c (compile_array_keyword_arg): set keyword splat flag if
  explicitly splatted.  [ruby-core:68124] [Bug #10856]

* vm_args.c (setup_parameters_complex): try keyword hash splat if
  given.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59519 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 11 insertions, 0 deletions

diff --git a/test/ruby/test_keyword.rb b/test/ruby/test_keyword.rb
index 4c99a3212d..c7dd6c88e3 100644
--- a/test/ruby/test_keyword.rb
+++ b/test/ruby/test_keyword.rb
@@ -503,6 +503,17 @@ class TestKeywordArguments < Test::Unit::TestCase
     assert_equal([1, 9], m1(1, o, &->(a, k: 0) {break [a, k]}), bug10016)
   end
 
+  def test_splat_hash
+    m = Object.new
+    def m.f() :ok; end
+    o = {a: 1}
+    assert_raise_with_message(ArgumentError, /unknown keyword: a/) {
+      m.f(**o)
+    }
+    o = {}
+    assert_equal(:ok, m.f(**o), '[ruby-core:68124] [Bug #10856]')
+  end
+
   def test_gced_object_in_stack
     bug8964 = '[ruby-dev:47729] [Bug #8964]'
     assert_normal_exit %q{