panic while compiling with GHC-6.4

Simon Peyton-Jones simonpj at microsoft.com
Mon Sep 12 12:25:06 EDT 2005


thank you.  Happily, this is already fixed; the fix will be in 6.4.1

Simon

| -----Original Message-----
| From: glasgow-haskell-bugs-bounces at haskell.org
[mailto:glasgow-haskell-bugs-
| bounces at haskell.org] On Behalf Of Dmitry Vyal
| Sent: 01 September 2005 16:45
| To: glasgow-haskell-bugs at haskell.org
| Subject: panic while compiling with GHC-6.4
| 
| this code snippet makes GHC-6.4 and GHCI-6.4 panic:
| 
| data DL a = DL {prev_dl::DL, el::a, next_dl::DL}
| 
| go :: DL a -> [a] -> DL a -> (DL a,DL a)
| go prev [] next = (prev, next)
| go prev (x:xs) next = let this = DL prev x rest
|                            (rest,fin) = go this xs next
|                        in this
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