TRACE illegal cross store refs
TRACE illegal cross store refs

Summary:
As title. Realized the # of cross store refs went up lately (with no
related crashes). Added TRACE details.

As a side note: running CheckBreadCrumbs before redex (P58843522) and at the
end (P58843527).

Reviewed By: thezhangwei

Differential Revision: D6668919

fbshipit-source-id: 3383013f44ea0a6eaa0d134ad94e34b3467fbaa3

facebook/redex,facebook/redex,facebook/redex,facebook/redex,facebook/redex,facebook/redex,facebook/redex,facebook/redex,facebook/redex