> ghc-5.00.1 -interactive (binary, linux, i386-unknown)
>
> forgets sometimes of existing Foo.o module to load and loads
> instead the interpreted code.
> A strange effect.
> Compiled and loaded is a single module Foo.hs in the current
> directory.
> In such cases I compile Foo.hs once more, rerun ghci,
> and then it finds Foo.o.
> How to trace this down if the effect is not always reproducible?
I found one bug recently which could cause this, if you have recursive
modules and use .hi-boot files.
If this isn't the case, you can get more info using the -ddump-hi-diffs
option, which should give some clue as to why GHC thinks the module
needs to be recompiled.
Cheers,
Simon
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