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Ticket Resolution Summary Owner Reporter
#2615 fixed ghci doesn't play nice with linker scripts AlecBerryman
Description

I'm trying to use HsHyperEstraier with ghci. I can compile and run the included examples, but when I run them in ghci, I see:

$ ghci
GHCi, version 6.8.3: http://www.haskell.org/ghc/  :? for help
Loading package base ... linking ... done.
Prelude> :l HelloWorld.hs
[1 of 1] Compiling Main             ( HelloWorld.hs, interpreted )
Ok, modules loaded: Main.
*Main> main
[...]
Loading package HsHyperEstraier-0.2.1 ... can't load .so/.DLL for: c
(/usr/lib/libc.so: invalid ELF header)

I see a similar error message if I specify '-package HsHyperEstraier' on the command line.

I did some looking and came up with these messages:

http://www.haskell.org/pipermail/glasgow-haskell-users/2004-May/006632.html http://www.nabble.com/RE:-idea-to-allow-ghci-to-use-a-different-libs-list-p1830432.html

Debian's /usr/lib/libc.so is indeed a GNU linker script, not an actual shared library. If I remove all the libraries in HsHyperEstraier's ~/.ghc/.../package.conf that are linker scripts (pthreads and c), it loads up fine.

Could ghci either recognize or ignore linker scripts?

#9753 worksforme Segmentation fault when applying ** to a complex number AlexeiKopylov
Description

Rising a negative complex number to a power using ** in ghci causes a segmentation fault:

$ ghci
GHCi, version 7.6.3: http://www.haskell.org/ghc/  :? for help
Loading package ghc-prim ... linking ... done.
Loading package integer-gmp ... linking ... done.
Loading package base ... linking ... done.
Prelude> :m +Data.Complex 
Prelude Data.Complex> (-1) ** 1 :: Complex Double 
Segmentation fault
#3690 fixed GHC panics on a crazy type signature Alien
Description
x :: [Enum a => (forall a. Num a => a)]
x = []

I have NO idea what that would mean or whatever it makes sense at all, but it fails with:

: panic! (the 'impossible' happened)
    (GHC version 6.10.4 for i386-unknown-mingw32):
        TcTyFuns.flattenType: unexpected PredType

And it said I should report it. :)

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