https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113553
--- Comment #6 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to John Paul Adrian Glaubitz from comment #5)
> (In reply to Rainer Orth from comment #1)
> > The build works for me just fine on sparc-sun-solaris2.11.
> >
> > I've also fired one off on sparc64-unknown-linux-gnu which worked just as
> > well.
> > It was a rough ride, however, with the build aborting with
> >
> > xgcc: fatal error: cannot execute
> > '/var/gcc/regression/master/6.4.0-gcc-gas-gld/build/./gcc/cc1plus':
> > posix_spawn: Bad address
> >
> > several times. When I ran make under strace -f, however, the build worked
> > just
> > fine. Quite ugly, actually.
>
> It seems that this can be avoided by building with one job, i.e. with "make
> -j1".
>
> Some playing around showed that this fixes the problem for me:
>
> diff --git a/libiberty/pex-unix.c b/libiberty/pex-unix.c
> index af98062a94c..a1d35820181 100644
> --- a/libiberty/pex-unix.c
> +++ b/libiberty/pex-unix.c
> @@ -574,8 +574,8 @@ pex_unix_exec_child (struct pex_obj *obj
> ATTRIBUTE_UNUSED,
> {
> int ret;
> pid_t pid = -1;
> - posix_spawnattr_t attr;
> - posix_spawn_file_actions_t actions;
> + static posix_spawnattr_t attr;
> + static posix_spawn_file_actions_t actions;
> int attr_initialized = 0, actions_initialized = 0;
>
> *err = 0;
Let me look that seems like an unitialized variable. If it is obvious one, I
will apply a patch.
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