Git status is incorrect after a pull

[GoogleCodeExporter]

What steps will reproduce the problem?
0. You have no new commits in your local tree
1. Pull from your default remote branch (typically origin)
2. Git status now says you are X commits ahead of <remote>/master 
3. Push to that remote (not actually pushing anything)
4. Git status now says you are in sync with with <remote>/master

What version of the product are you using? On what operating system?
git 1.7.10.3 on Mac OS X 10.7.5

Original issue reported on code.google.com by tabenzi...@gmail.com on 2 Oct 2012 at 3:58