Re: [hurd,commited] hurd: Fix SS_ONSTACK support

[Joseph Myers]

I'm seeing build failures with build-many-glibcs.py:

../sysdeps/mach/hurd/i386/sigreturn.c: In function '__sigreturn2':
../sysdeps/mach/hurd/i386/sigreturn.c:33:18: error: passing argument 1 of 
'__spin_unlock' from incompatible pointer type 
[-Werror=incompatible-pointer-types]
   __spin_unlock (ss);
                  ^~
In file included from ../sysdeps/mach/include/lock-intern.h:2,
                 from ../mach/spin-lock.h:22,
                 from 
/scratch/jmyers/glibc-bot/install/compilers/i686-gnu/sysroot/include/cthreads.h:344,
                 from ../hurd/hurd/signal.h:40,
                 from ../sysdeps/hurd/include/hurd/signal.h:7,
                 from ../hurd/hurd/userlink.h:29,
                 from ../hurd/hurd/port.h:25,
                 from ../sysdeps/hurd/include/hurd/port.h:2,
                 from ../hurd/hurd.h:41,
                 from ../sysdeps/hurd/include/hurd.h:2,
                 from ../sysdeps/mach/hurd/i386/sigreturn.c:20:
../mach/lock-intern.h:69:31: note: expected '__spin_lock_t *' {aka 
'unsigned int *'} but argument is of type 'struct hurd_sigstate *'
 __spin_unlock (__spin_lock_t *__lock)
                ~~~~~~~~~~~~~~~^~~~~~

https://sourceware.org/ml/libc-testresults/2019-q3/msg00250.html
https://sourceware.org/ml/libc-testresults/2019-q3/msg00251.html

-- 
Joseph S. Myers
address@hidden