[Haskell-cafe] RE: Invalid object in isRetainer

Simon Marlow simonmar at microsoft.com
Mon Dec 5 06:31:54 EST 2005

On 04 December 2005 17:02, Joel Reymont wrote:

> ./randomplay +RTS -hr
> ... <- some time passes and then
> randomplay: internal error: Invalid object in isRetainer(): 67
>      Please report this as a bug to glasgow-haskell-bugs at haskell.org,
>      or http://www.sourceforge.net/projects/ghc/
> The combination of this and the failure with -hc -hbdrag,void is
> preventing me from optimizing the program and it has a huge space
> leak somewhere.

Retainer profiling (-hr) doesn't currently work with STM.  It is a bug,
but I briefly looked into it and it's not a trivial fix so I left it.
I'll file a ticket for it.


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