[turbofan] (reland) Compute tighter ranges for modulus in Typer.

R=jarin@chromium.org
BUG=

Review URL: https://codereview.chromium.org/694703004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25193 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Revert "Remove workaround for successors on end block from scheduler."

TBR=titzer@chromium.org

Review URL: https://codereview.chromium.org/705043002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25194 ce2b1a6d-e550-0410-aec6-3dcde31c8c00