Made the detailed reason for deopts mandatory on ia32. Unified and improved things.

Made the detailed reason for deopts mandatory on ia32. Unified and improved things.

The number of different detail strings has been reduced a bit without
any loss of information. Furthermore, DoubleToI is a bit more
informative now. Tiny reason fixes.

R=jarin@chromium.org

Committed: https://code.google.com/p/v8/source/detail?r=24146

[Sven Panne, 2014-09-23 09:58:29]

svenpanne@chromium.org changed reviewers:
+ jarin@chromium.org

[Jarin, 2014-09-23 10:54:33]

lgtm

[Sven Panne, 2014-09-23 11:38:26]

Committed patchset #1 (id:1) manually as 24146 (presubmit successful).