Fix broken HCheckInstanceType::Canonicalize().

R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/21488002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@15999 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Cleaning up HAllocate space and double alignment selection.

BUG=
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/21074004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@16000 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Fix printing of Harmony Set and Map instances.

R=dslomov@chromium.org

Review URL: https://codereview.chromium.org/20705003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@16001 ce2b1a6d-e550-0410-aec6-3dcde31c8c00