7ee5d4b3a2
This is intended for profiling, to ensure that type inference and type promotion do not slow down compilation too much. Currently the option is just plumbed through to the kernel Target class since I'm not exactly sure how we'll want to enable/disable this option; we can plumb it the rest of the way in a future CL. R=ahe@google.com Review-Url: https://codereview.chromium.org/2962913002 .