On 2020-01-17 at 17:49:31, Jeff King wrote:
> On Fri, Jan 17, 2020 at 09:37:22AM -0800, Junio C Hamano wrote:
> 
> > Jeff King <peff@peff.net> writes:
> > 
> > > Recent versions of the gcc and clang Address Sanitizer produce test
> > > failures related to regexec(). This triggers with gcc-10 and clang-8
> > > (but not gcc-9 nor clang-7). Running:
> > >
> > >   make CC=gcc-10 SANITIZE=address test
> > >
> > > results in failures in t4018, t3206, and t4062.
> > [...]
> > I guess we should treat this the same way as the recent vcproj "fix"
> > by Dscho, i.e. fast-track to 'maint' to ensure that all public
> > integration branches has it soonish?
> 
> I don't think there's a huge rush. It only triggers ASan and recent
> compilers, so AFAIK nobody has been hitting this in CI. I occasionally
> test with whatever is the most recent compiler in Debian unstable to see
> if it turns up any interesting new warnings or errors (but gcc-9 is
> still the default there).

I've reported this as a bug to Debian on the clang-8 and libasan6
packages, along with a trivial test case.  Hopefully this will get fixed
soon.
-- 
brian m. carlson: Houston, Texas, US
OpenPGP: https://keybase.io/bk2204