* marshal.c (w_object): add flonum to arg->data to keep reference index

  consistency. [ruby-core:49323] [Bug #7348]

* test/ruby/test_marshal.rb: add a test for above.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37687 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 85cec0adca..e68839472d 100644
--- a/test/ruby/test_marshal.rb
+++ b/test/ruby/test_marshal.rb
@@ -492,4 +492,11 @@ class TestMarshal < Test::Unit::TestCase
     assert_equal(Rational(1, 2), Marshal.load("\x04\bU:\rRational[\ai\x06i\a"))
     assert_raise(ArgumentError){Marshal.load("\x04\bU:\rRational[\bi\x00i\x00i\x00")}
   end
+
+  def test_marshal_flonum_reference
+    bug7348 = '[ruby-core:49323]'
+    e = []
+    ary = [ [2.0, e], [e] ]
+    assert_equal(ary, Marshal.load(Marshal.dump(ary)), bug7348)
+  end
 end