Re: Additional debug info to aid cacheline analysis

From: Mark Wielaard
Date: Sun Oct 11 2020 - 08:24:32 EST


On Sun, Oct 11, 2020 at 02:15:18PM +0200, Florian Weimer wrote:
> * Mark Wielaard:
>
> > Yes, that would work. I don't know what the lowest supported GCC
> > version is, but technically it was definitely fixed in 4.10.0, 4.8.4
> > and 4.9.2. And various distros would probably have backported the
> > fix. But checking for 5.0+ would certainly give you a good version.
> >
> > How about the attached?
>
> Would it be possible to test for the actual presence of the bug, using
> -fcompare-debug?

Yes, that was discussed in the original commit message, but it was decided
that disabling it unconditionaly was easier. See commit 2062afb4f.

Cheers,

Mark