[backport] Fix shared vm code to allow zero build

[Andrew]

----- Original Message -----
> Hi!
> 
> I would like to offer two backports:
> Originally I found them:
> http://icedtea.classpath.org/hg/release/icedtea7-forest-2.4/hotspot/rev/af221c82682c
> and
> http://icedtea.classpath.org/hg/release/icedtea7-forest-2.4/hotspot/rev/b732355257e3
> 
> and after testing and adaptation I  used them in rpmbuilds of jdk6 with zero:
> http://jvanek.fedorapeople.org/jdk6/type_hsx23_patch4.patch
> and
> http://jvanek.fedorapeople.org/jdk6/type_hsx23_patch3.patch
> 
> With them zero builds and works fine, without, it do not even compile.
> 
> Afaik both were pushed also to icedtea6
> 
> Are there any objections against them?
> if not, I will prepare webrev (or somebody of you may directly push)
> 
> 
> Best regards
> Jiri Vanek
> 

This is for S390 on Zero only, I believe. Zero on other architectures does build.

These really need to go to 8->7->6.  Volunteers for building OpenJDK 8 on an S390,
please raise your hand.

Also, these shouldn't go in until the security patches have been pushed.
-- 
Andrew :)

Free Java Software Engineer
Red Hat, Inc. (http://www.redhat.com)

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