RFR(M) 8011621: Keep the "live range id - node" mapping in a separate class

[Roland Westrelin]

Hi Niclas,

> This code is not necessary anymore, because I also took the liberty of removing 
> pd_preallocate_hook(); 
> and 
> pd_postallocate_verify_hook();
> 
> which are not needed anymore because they only added nodes for Win95 and Win 98.

Did you use hg remove for the files that are not needed anymore?

> The new webrev: http://cr.openjdk.java.net/~adlertz/JDK-8011621/webrev02/

Shouldn't LiveRangeMap be VALUE_OBJ_CLASS_SPEC?

live.hpp: comment not aligned anymore. 

It looks good to me.

Roland.