This makes sure the type feedback vector is allocated and installed on
the SharedFunctionInfo before any of the compilers are being called.
Note that this now allows for an object state where a function is not
compiled but has a valid feedback vector is installed. This is working
as intended and supported by the rest of the system.

R=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/1857203002

Cr-Commit-Position: refs/heads/master@{#35265}