
tcfail204.hs:10:15:
    Warning: Defaulting the following constraint(s) to type `Double'
               (Fractional a0) arising from the literal `6.3'
                               at tcfail204.hs:10:15-17
               (RealFrac a0) arising from a use of `ceiling'
                             at tcfail204.hs:10:7-13
    In the first argument of `ceiling', namely `6.3'
    In the expression: ceiling 6.3
    In an equation for `foo': foo = ceiling 6.3

<no location info>: 
Failing due to -Werror.
