Weaken the improvement for subtraction.
authorIavor S. Diatchki <iavor.diatchki@gmail.com>
Tue, 15 Oct 2013 16:43:39 +0000 (09:43 -0700)
committerIavor S. Diatchki <iavor.diatchki@gmail.com>
Tue, 15 Oct 2013 16:43:39 +0000 (09:43 -0700)
commit6b2ccadc2575aecc7ed0c6a1991c21a09dd4a1e4
tree64646416b11192b97e2674e02c0a9f8420e60767
parent66484c4465723e866d07f6c819eb772fa68b7238
Weaken the improvement for subtraction.

For details see the comment on `interactTopSub`.
compiler/typecheck/TcTypeNats.hs