Enable mjsunit/deserialize-reference for turbofan.

R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/503273003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23392 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

test/mjsunit/mjsunit.status

@@ -89,9 +89,6 @@
   'regress/regress-debug-deopt-while-recompile': [PASS, NO_VARIANTS],
   'regress/regress-opt-after-debug-deopt': [PASS, NO_VARIANTS],
 
-  # Code serializer does not work correctly.
-  'deserialize-reference': [PASS, NO_VARIANTS],
-
   # Support for %GetFrameDetails is missing and requires checkpoints.
   'debug-evaluate-bool-constructor': [PASS, NO_VARIANTS],
   'debug-evaluate-closure': [PASS, NO_VARIANTS],