The patch removes 455 occurrences of FAIL_ON_WARNINGS from moz.build files, and
adds 78 instances of ALLOW_COMPILER_WARNINGS. About half of those 78 are in
code we control and which should be removable with a little effort.
--HG--
extra : rebase_source : 82e3387abfbd5f1471e953961d301d3d97ed2973
Add a mozconfig fragment enabling rust on mac builds.
Include it in the official integration mozconfig files only.
Developer checkouts don't require rust.
Nicholas Nethercote
Ralph Giles
Stephen A Pohl
Brian R. Bondy
Mike Hommey
J. Ryan Stinnett
Mike Shal