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  • Glasgow Haskell Compiler
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  • #8467
Closed
Open
Created Oct 20, 2013 by Richard Eisenberg@raeDeveloper

Stack overflow when optimizing recursive newtype

I have

module Bug where

newtype Void = Void Void

data Decision a = Disproved (a -> Void)

foo :: () -> Decision Int
foo _ = Disproved (\_ -> undefined)

When I

> ghc -O Bug.hs

I get

[1 of 1] Compiling Bug              ( Bug.hs, Bug.o )
stack overflow: use +RTS -K<size> to increase it

The module compiles fine without -O. This was tested on 7.7.20131011.

Trac metadata
Trac field Value
Version 7.7
Type Bug
TypeOfFailure OtherFailure
Priority normal
Resolution Unresolved
Component Compiler
Test case
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