1) Some of the GHC programs contributed to the benchmarks game have problems with recent GHC releases - meteor-contest #5 - Ambiguous occurrence `permutations' http://shootout.alioth.debian.org/u64q/program.php?test=meteor&lang=ghc&id=5#log - regex-dna #2 - Precedence parsing error http://shootout.alioth.debian.org/u64q/program.php?test=regexdna&lang=ghc&id=2#log - reverse-complement #2 - parse error on input `->' http://shootout.alioth.debian.org/u64q/program.php?test=revcomp&lang=ghc&id=2#log - reverse-complement #3 - Could not find module `Monad' http://shootout.alioth.debian.org/u64q/program.php?test=revcomp&lang=ghc&id=3#log 2) I noticed `-fvia-C` has now gone away and there were half-a-dozen programs that had been written to use `-fvia-C` so how might that effect performance of those programs?