don't use cache when testing typechecker
don't use cache when testing typechecker

Ignore-this: 54ef7030afbd3d35193ff4c43e8d5b4c

darcs-hash:fc62c962d1de120703bc43df2ae76b6edb12143a

dpwright/jhc,dpwright/jhc,dpwright/jhc,dpwright/jhc