#2881: Basif Fibonacci function using Word causes ghci to panic. - 6.10.1
---------------------------------+------------------------------------------
Reporter: axman6 | Owner:
Type: bug | Status: new
Priority: normal | Component: Compiler
Version: 6.10.1 | Severity: normal
Keywords: panic Word fibonacci | Testcase:
Os: Unknown/Multiple | Architecture: x86
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When inputting the function:
{{{
let fib :: Word -> Word; fib 0 = 1; fib 1 = 1; fib n = l + r where l = fib
(n-2); r = fib (n-1)
}}}
GHCi produces a panic error:
{{{
ghc: panic! (the 'impossible' happened)
(GHC version 6.10.1 for i386-apple-darwin):
schemeE(AnnCase).my_discr __word 0
}}}
It has been confirmed on both OS X 10.5.5 and linux
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2881>
GHC <http://www.haskell.org/ghc/>
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