- adjust pattern_addr_pre_check heuristics - remove redundant checks
- adjust pattern_addr_pre_check heuristics
- remove redundant checks

git-svn-id: fe3cd4388a6e5a968b09397a3d721fe124e8117a@852 5b54908e-ead4-fc18-b48a-0285e6dbc711

rnk/drmemory,rnk/drmemory,rnk/drmemory,rnk/drmemory