[Bug gcov-profile/54487] [4.8 Regression] profiledbootstrap broken by r190952

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54487

--- Comment #22 from H.J. Lu <hjl.tools at gmail dot com> 2012-09-11 18:10:55 UTC ---
(In reply to comment #20)
>
> Obviously the best solution would be to figure out how the lock is
> being lost/ignored and fix that, but that may take some time.
> 

Can we use a lockfile to verify that fcntl lock is working
correctly?