MIPS: DummyUse if Representation::Tagged()+Type::Smi() to Representation::Smi()
MIPS: DummyUse if Representation::Tagged()+Type::Smi() to Representation::Smi()

Port r14802 (d4a53e02)

BUG=

Review URL: https://codereview.chromium.org/16019009

git-svn-id: b158db1e4b4ab85d4c9e510fdef4b1e8c614b15b@14811 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

UniversalFuture/moosh,UniversalFuture/moosh,UniversalFuture/moosh,UniversalFuture/moosh