* Make the detailed deopt reason mandatory on x64, other platforms
will follow in separate CLs.
* Extracted and improved jump table entry sharing logic: When
--trace-deopt is on, we get separate entries for different deopt
reasons. This enables us to distinguish the several reasons single
instructions can have.
* Don't emit superfluous jump table comments: The bailout ID is still
visible, and the jump table entry number is not interesting (but
easy to determine if really needed).
* Unify the internal name of the jump table member across platforms.
R=jarin@chromium.org
Review URL: https://codereview.chromium.org/595513002
git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24123 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
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