ghc should say when it is failing due to -Werror
|Reported by:||igloo||Owned by:||igloo|
|Type of failure:||Test Case:|
|Related Tickets:||Differential Revisions:|
If we fail due to warnings and -Werror, we should tell the user that we are doing so. Currently it can be very confusing if -Werror is given in a Cabal file or an OPTIONS pragma. Compilation fails but with no error printed.