-ddump-to-file should deposit files in target not source directory
|Reported by:||ezyang||Owned by:||igloo|
|Type of failure:||None/Unknown||Test Case:|
|Related Tickets:||Differential Rev(s):|
One example where things can go wrong if you don't do this is if you're building GHC with dumps: the stage2 dumps will clobber the stage1 dumps.