https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83638

John David Anglin <danglin at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |WAITING
   Last reconfirmed|                            |2018-03-24
                 CC|                            |danglin at gcc dot gnu.org
     Ever confirmed|0                           |1

--- Comment #1 from John David Anglin <danglin at gcc dot gnu.org> ---
I believe the test results are correct.

The kernel locks are not interruptible and this is sufficient for the
implementation to be lock free.

The pa-risc lock implementation handles objects up to 8 bytes in size.  The
size of a3 is 12 bytes.  If z is removed from a3, the test passes on the 64-bit
kernel that I used to test the example.

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