Fail: <<loop>> ???

Alastair Reid
21 Dec 2002 14:12:27 +0000

Hugs is probably crashing with a stack overflow which is one way that
it can respond to infinite loops.  (GHC can respond this way too but
tends to catch more as <<loop>>s and provides nicer error messages on
stack overflow.)


Ingo Wechsung <> writes:

> Dear Haskellers, when I execute a program made with GHC (standard
> Haskell only, no optimization) I get

> Fail: << loop>>

> I have -W on, but it only tells me about a single overlapping
> pattern, which is ok.

> The same program crashes Hugs alltogether.

> Any hints for what I should look in my sources?

> MfG Ingo