id,summary,reporter,owner,description,type,status,priority,milestone,component,version,resolution,keywords,cc,os,architecture,failure,difficulty,testcase,blockedby,blocking,related
3215,Valgrind support,cmcq,,"This is based on code in gtk2hs.
{{{
$ valgrind -q ./finalizer_queue

finalizer_queue: internal error: stg_ap_v_ret
    (GHC version 6.10.3 for i386_unknown_linux)
    Please report this as a GHC bug:  http://www.haskell.org/ghc/reportabug
Killed
}}}
Unfortunately this test doesn't crash without Valgrind.

My guess is that this bit is the problem:
{{{
    finalizer <- fixIO $ \dPtr -> mkThunk $ do
        freeHaskellFunPtr callback
        freeHaskellFunPtr dPtr
}}}
Perhaps the documentation should say not to do this?",feature request,new,normal,_|_,Runtime System,6.10.3,,valgrind,rrnewton@…,Linux,x86,None/Unknown,Unknown,yes,,,