build fix after 25072

TBR=bmeurer@chromium.org

BUG=

Review URL: https://codereview.chromium.org/688323005

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25073 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
[turbofan] Fix Typer::Rangify to handle integral bitset types.

R=bmeurer@chromium.org
BUG=

Review URL: https://codereview.chromium.org/688413003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25074 ce2b1a6d-e550-0410-aec6-3dcde31c8c00