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re: i386 9.99.17 build fails for NET4501 kernel

Robert Swindells writes:
> "John D. Baker" <>
> >Building the NET4501 kernel with 9.99.17 sources fails with:
> >
> >/x/current/src/sys/arch/x86/x86/vm_machdep.c: In function 'cpu_lwp_fork':
> >/x/current/src/sys/arch/x86/x86/vm_machdep.c:134:21: error: variable 'pcb2' might be clobbered by 'longjmp' or 'vfork' [-Werror=clobbered]
> >  struct pcb *pcb1, *pcb2;
> >                     ^~~~
> My custom amd64 kernels fail too, there was a failure report from
> someone else but it doesn't seem to be in the archive yet.
> The amd64 GENERIC config does build though.

i don't know what is up yet, but maxv changed this file recently.
i wonder if there was/is something special about either SVS here,
or fpu_lwp_fork() it's triggering on.  i don't see any attributes
that should apply here.. guessing SVS as it is the only conditional
compile there that should matter, but i still don't see anything
that actually points to it.



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