'git add' regression in git-1.7?

Hello,

'git add' does NOT add files in ignored path.

When the .gitignore file contains:
     tmp/
If I do:
     git add tmp/test.txt
Nothing happens.

If I removed 'tmp/' from the .gitignore, git add works fine.

Because I have backup copies of GIT, I tested serveral versions.
The version below works as expected.
     git version 1.6.6.243.gff6d2

And below does NOT work.
     git version 1.7.0.rc1.7.gc0da5
     git version 1.7.0.31.g1df487

Thanks, namsh