Fix bug in the ARM full code generator for inlined count operations.
Fix bug in the ARM full code generator for inlined count operations.

The inlined add needs to set the condition codes to correctly detect
smi overflows.

Review URL: http://codereview.chromium.org/1703012

git-svn-id: b158db1e4b4ab85d4c9e510fdef4b1e8c614b15b@4487 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

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