RFR: Some build fixes for gcc4.7

[Jon Masamitsu]

Roman,

I'll sponsor the changes to binaryTreeDictionary.cpp but let be get
back to you later today or Monday on it.

Coleen,

I've go this.

Jon

On 12/6/2012 12:24 PM, Roman Kennke wrote:
> I posted part of this before in hotspot-gc-dev, without any reply yet.
> (http://mail.openjdk.java.net/pipermail/hotspot-gc-dev/2012-November/005327.html)
>
>
> In any case, here is a more complete patch relating to build failures
> with GCC 4.7. It's basically:
>
> - Some more this->  qualifiers in binaryTreeDictionary.cpp (other such
> qualifiers have been added before, those here probably slipped through
> because they're only in asserts and compiled in debug builds.
> - In library_call.cpp some return false should really be return NULL.
> Also improves consistency in this code (other return statements in the
> same method correctly return NULL).
>
>
> Ok to go in?
>
> http://cr.openjdk.java.net/~rkennke/gcc47/webrev.00/
>
> Regards,
> Roman
>
>