marshal.c: allow marshalling keyword_init struct

struct.c: define rb_struct_s_keyword_init to shared with marshal.c

internal.h: add the declaration to be used by marshal.c

test/ruby/test_marshal.rb: add test for Bug#14314

[Feature #14314] [ruby-core:84629]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61616 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 7 insertions, 0 deletions

diff --git a/test/ruby/test_marshal.rb b/test/ruby/test_marshal.rb
index 80ec0b1684..e269428dda 100644
--- a/test/ruby/test_marshal.rb
+++ b/test/ruby/test_marshal.rb
@@ -772,4 +772,11 @@ class TestMarshal < Test::Unit::TestCase
       Marshal.dump(Bug12974.new)
     end
   end
+
+  Bug14314 = Struct.new(:foo, keyword_init: true)
+
+  def test_marshal_keyword_init_struct
+    obj = Bug14314.new(foo: 42)
+    assert_equal obj, Marshal.load(Marshal.dump(obj))
+  end
 end