[Haskell-cafe] debugging <<loop>> exception

[Dennis Raddle]

I'm getting Exception: <<loop>>.

It doesn't print the line number. When I load the program into ghci, it
still doesn't print the line number. When I trace the program in ghci it
never gets to the point of emitting the exception.

I set up my program in stack. I tried both "stack ghci" and just "ghci"..
the latter to make sure it wasn't using any compiled code (at least in my
own code). If it doesn't print a line number does this mean it's happening
in compiled code?

Any ideas how I can go about debugging this?
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