Assert compact color bit is unused
Assert compact color bit is unused

Signed-off-by: Joshua Kahn <jkahn@barracuda.com>

This resolves #280.

8l/jemalloc,glandium/jemalloc,AndroidExternal/jemalloc,wqfish/jemalloc,wqfish/jemalloc,wqfish/jemalloc,glandium/jemalloc,jemalloc/jemalloc-cmake,cpeterso/jemalloc,leebaok/jemalloc-4.2.1-readcode,leebaok/jemalloc-4.2.1-readcode,leebaok/jemalloc-4.2.1-readcode,glandium/jemalloc,leebaok/jemalloc-4.2.1-readcode,wqfish/jemalloc,glandium/jemalloc,jemalloc/jemalloc-cmake,cpeterso/jemalloc,8l/jemalloc,AndroidExternal/jemalloc,jemalloc/jemalloc-cmake,jemalloc/jemalloc-cmake,awreece/jemalloc,cpeterso/jemalloc,awreece/jemalloc,8l/jemalloc,awreece/jemalloc,cpeterso/jemalloc,awreece/jemalloc,8l/jemalloc,AndroidExternal/jemalloc,wqfish/jemalloc,AndroidExternal/jemalloc