-tcfail010.hs:3: No instance for: `PrelBase.Num [taBD]'
+tcfail010.hs:3: No instance for: `PrelBase.Num [taBS]'
arising from use of `PrelBase.+' at tcfail010.hs:3
-tcfail010.hs:3: No instance for: `PrelBase.Num [taBD]'
+tcfail010.hs:3: No instance for: `PrelBase.Num [taBS]'
arising from use of `PrelBase.+' at tcfail010.hs:3