profile mode fixes

[Paolo Carlini]

Hi,
> I was about to fix a couple of bugs with the profile mode, but didn't
> make it before the release branch.  Should I prepare patches for both
> the release branch and trunk?  Would they be accepted to the release
> branch?  (They should be small fixes.)  Are there different testing
> requirements for release branch commits?
>   
No special requirements, but it's too late for 4.5.0. Thus, you can
immediately prepare changes for mainline and then as soon as 4.5.0 is
out backport the fixes to the release branch for 4.5.1, if safe enough,
of course.

Thanks,
Paolo.