Convert constant numbers at compile time.

TEST=mjsunit/number-tostring
R=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/77553005

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@17917 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Removed unused --preallocate-message-memory flag.

It results in a lot of dead code, and Isolate::PrintStack itself
crashes most of the time when something went wrong earlier.
Furthermore, we have plans do get better information into the
minidump, anyway.

R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/78003002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@17918 ce2b1a6d-e550-0410-aec6-3dcde31c8c00