i#1600: drheapstat propagation code enabled on fastpath
i#1600: drheapstat propagation code enabled on fastpath

Disabled eflags propagation checks on the fastpath for Dr. Heapstat to
avoid asserts.

Fixes issue 1600

SVN-Revision: 2002

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