Plans for making MAKE_JOBS_SAFE the default?

[Eitan Adler]

When MAKE_JOBS was originally introduced the intent was to flip the
default after some amount of time and testing. Last this issue came up
there were objections based on the 7.4 release, 8.2 release, gmake
upgrade, and other wide scale changes.

I think it is time to revisit this discussion.

My proposal:
- start an exp-run with FORCE_MAKE_JOBS set
- mark all new failures with MAKE_JOBS_UNSAFE
- flip the default right after the 9.1 release.




-- 
Eitan Adler