Zero backport (2/7)

[Joe Darcy]

Andrew John Hughes wrote:
> First of several fixes for Zero:
>
> changeset:   1078:8e7adf982378
> parent:      1073:de44705e6b33
> user:        twisti
> date:        Fri Nov 27 07:56:58 2009 -0800
> summary:     6896043: first round of zero fixes
>
> http://cr.openjdk.java.net/~andrew/zero/webrev.03/
>
> I believe this is a pile of fixes that accumulated for Zero in IcedTea
> prior to this commit:
>
> Amalgamation of cc-interp-backedge (Remove some duplicated code in
> DO_BACKEDGE_CHECKS),
> cc-interp-jvmti (Disable some JVMTI capabilities which are unsupported
> or do not work with the C++ interpreter),
> ia64-bugfix (Remove workaround for IA64 GCC bug),
> s390-serialize (Correctly detect serialization segfaults on s390) and
> test-atomic-operations (Add check to see if GCC's sync_lock_test works).
>
> Ok to push?  It builds ok here and passes the JTreg tests.
>   

How does this relate to the JDK 7 version of the fix for this bug:
http://hg.openjdk.java.net/jdk7/jdk7/hotspot/rev/8e7adf982378

-Joe