Fix two bugs:  * The globals vector was getting broken and unsorted, this caused vortex    to get badly pessimized  * Node offset handling was being handled really poorly, and in particular    we were not merging types with offsets right.  This causes several graphs    to be non-merged.
Fix two bugs:
 * The globals vector was getting broken and unsorted, this caused vortex
   to get badly pessimized
 * Node offset handling was being handled really poorly, and in particular
   we were not merging types with offsets right.  This causes several graphs
   to be non-merged.


git-svn-id: 0ff597fd157e6f4fc38580e8d64ab130330d2411@4699 91177308-0d34-0410-b5e6-96231b3b80d8

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