fixes issue 740 + combine get_aflags_liveness and get_reg_liveness   to avoid extra ilist pass + measured on unit_tests Bzip2Test.*: modest 2%   speedup, not bad for easy code change
fixes issue 740
+ combine get_aflags_liveness and get_reg_liveness
  to avoid extra ilist pass
+ measured on unit_tests Bzip2Test.*: modest 2%
  speedup, not bad for easy code change

SVN-Revision: 705

sigma-random/drmemory,code4bones/drmemory,sigma-random/drmemory,LohithBlaze/drmemory,code4bones/drmemory,sigma-random/drmemory,code4bones/drmemory,code4bones/drmemory,LohithBlaze/drmemory,LohithBlaze/drmemory,sigma-random/drmemory,LohithBlaze/drmemory,LohithBlaze/drmemory,code4bones/drmemory,sigma-random/drmemory