[jhc] JHC: problem with transformers

[Dmitry Kulagin]

Hi John,

I experiment with JHC, trying to get working some code. Could you help with
following code:

> module Main where
> import Data.Map as M

> g :: M.Map String Int
> g = M.delete "b" M.empty

> main = print g

If it is compiled with: -f no-global-optimize, then incorrect C-code
generated.

(([N],"Prelude.error: Map.deleteFindMax: can not return the maximal element
of an empty map"),Berr_18131)
(([N],"Prelude.error: Map.deleteFindMin: can not return the minimal element
of an empty map"),Berr_18132)
...
tmp1/main_code.c:5956:21: error: variable ‘_c7’ has initializer but
incomplete type
tmp1/main_code.c:5959:21: error: variable ‘_c6’ has initializer but
incomplete type

Compiler version: jhc 0.8.2 (0.8.2-55) (the most recent from darcs)
Full compiler output is in attach.

PS.: This code _does_ compile if I don't use -f no-global-optimize.
However, I experiment with larger code, which is only compiled if I turn
this optimization off. That is why I try to stick with this option.

Thanks!
Dmitry
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