Libstdc++-v3 vs -fno-unit-at-a-time

[Paolo Carlini]

Jan Hubicka wrote:

> I have no idea. You should not get to that line at all with
> -fno-unit-at-a-time.
> Perhaps the problem is with precompiled header that are affected by
> presence of -funit-at-a-time so you can't use precompiled headers from
> library build in thetestsuite unless testsuite also uses
> -funit-at-a-time. Can I see testcase?

Yes, I was also suspecting that: something pre-compiled headers related.
I'll give you more details ASAP. Thanks for your feedback, for now!

By the way, for some mysterious reason I cannot reproduce anymore those
weird intermittent failures I mentioned at the beginning of the message...

Paolo.