Pretty sure I know this is, I'll work on a fix today.

On Wed, Jun 9, 2021 at 7:30 AM Christophe Lyon <christophe.l...@linaro.org>
wrote:

> Hi,
>
>
> On Wed, 9 Jun 2021 at 01:05, Thomas Rodgers via Gcc-patches
> <gcc-patches@gcc.gnu.org> wrote:
> >
> > Tested x86_64-pc-linux-gnu, committed to master, backported to
> > releases/gcc-11.
> >
> > On Tue, Jun 8, 2021 at 8:44 AM Jonathan Wakely <jwak...@redhat.com>
> wrote:
> >
> > > On Tue, 8 Jun 2021 at 01:29, Thomas Rodgers wrote:
> > >
> > >> This time without the repeatred [PRnnnn] in the subject line.
> > >>
> > >> Fixes libstdc++/100889
> > >>
> > >
> > > This should be part of the ChangeLog entry instead, preceded by PR so
> it
> > > updates bugzilla, i.e.
> > >
> > >
> > >
> > >> libstdc++-v3/ChangeLog:
> > >>
> > >
> > > <TAB>PR libstdc++/100889
> > >
> > >
> > >>         * include/bits/atomic_base.h (atomic_ref<_Tp*>::wait):
> > >>         Change parameter type from _Tp to _Tp*.
> > >>         * testsuite/29_atomics/atomic_ref/wait_notify.cc: Extend
> > >>         coverage of types tested.
> > >>
> > >
> > >
> > > OK for trunk and gcc-11 with that change, thanks.
> > >
> > >
>
> This is causing a regression on old arm targets:
> --target arm-none-linux-gnueabi
> RUNTESTFLAGS: -march=armv5t
>
> FAIL: 29_atomics/atomic_ref/wait_notify.cc (test for excess errors)
> Excess errors:
> /aci-gcc-fsf/builds/gcc-fsf-gccsrc/tools/arm-none-linux-gnueabi/bin/ld:
> /ccaaHfBz.o: in function `void
> std::__atomic_impl::store<double>(double*,
> std::remove_volatile<double>::type, std::memory_order)':
>
> /aci-gcc-fsf/builds/gcc-fsf-gccsrc/obj-arm-none-linux-gnueabi/gcc3/arm-none-linux-gnueabi/libstdc++-v3/include/bits/atomic_base.h:971:
> undefined reference to `__atomic_store_8'
> /aci-gcc-fsf/builds/gcc-fsf-gccsrc/tools/arm-none-linux-gnueabi/bin/ld:
> /ccaaHfBz.o: in function `std::remove_volatile<double>::type
> std::__atomic_impl::load<double>(double const*, std::memory_order)':
>
> /aci-gcc-fsf/builds/gcc-fsf-gccsrc/obj-arm-none-linux-gnueabi/gcc3/arm-none-linux-gnueabi/libstdc++-v3/include/bits/atomic_base.h:979:
> undefined reference to `__atomic_load_8'
> /aci-gcc-fsf/builds/gcc-fsf-gccsrc/tools/arm-none-linux-gnueabi/bin/ld:
>
> /aci-gcc-fsf/builds/gcc-fsf-gccsrc/obj-arm-none-linux-gnueabi/gcc3/arm-none-linux-gnueabi/libstdc++-v3/include/bits/atomic_base.h:979:
> undefined reference to `__atomic_load_8'
> /aci-gcc-fsf/builds/gcc-fsf-gccsrc/tools/arm-none-linux-gnueabi/bin/ld:
>
> /aci-gcc-fsf/builds/gcc-fsf-gccsrc/obj-arm-none-linux-gnueabi/gcc3/arm-none-linux-gnueabi/libstdc++-v3/include/bits/atomic_base.h:979:
> undefined reference to `__atomic_load_8'
> collect2: error: ld returned 1 exit status
>
> Can you check?
>
> Thanks
>
>

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