[committed] Change default for enable_hash_synchronization_default on PA-RISC

[Tom Tromey]

>>>>> "Michael" == Michael Koch <konqueror@gmx.de> writes:

Michael> I would really welcome a backport tp 4.1 branch. This would help me a
Michael> lot to make GCJ reliable on Debian hppa.

Note that this change affects the ABI.  That means if you do a
backport then users have to recompile their programs -- at least,
programs using the "C++" ABI.

Tom