#3867: ghc: panic! (linkBCO: >= 64k ptrs)
---------------------------------+------------------------------------------
Reporter: archgrove | Owner:
Type: bug | Status: new
Priority: normal | Component: Compiler
Version: 6.12.1 | Keywords:
Os: Unknown/Multiple | Testcase:
Architecture: Unknown/Multiple | Failure: GHC rejects valid program
---------------------------------+------------------------------------------
dict is a [String] with around 100,000 entries (around 1.4MB of data),
exported from a module Dict. ghci will happily import this module, but any
operations on this list (e.g. take 1 dict) fail with a ghc panic. I admit
it's perhaps not the best idea to work with a list of this magnitude, but
in this case a better error message would be useful.
{{{
GHCi, version 6.12.1: http://www.haskell.org/ghc/ :? for help
Loading package ghc-prim ... linking ... done.
Loading package integer-gmp ... linking ... done.
Loading package base ... linking ... done.
Loading package ffi-1.0 ... linking ... done.
Prelude> :load Dict
[1 of 1] Compiling Dict ( Dict.hs, interpreted )
Ok, modules loaded: Dict.
*Dict> take 1 dict
ghc: panic! (the 'impossible' happened)
(GHC version 6.12.1 for i386-apple-darwin):
linkBCO: >= 64k ptrs
Please report this as a GHC bug: http://www.haskell.org/ghc/reportabug
}}}
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3867>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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