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Re: Bug in libobjc2 gc_none free

From: David Chisnall
Subject: Re: Bug in libobjc2 gc_none free
Date: Sun, 31 Jul 2011 17:33:12 +0100

Thanks.  This should be fixed in r33665.

Out of interest, what were you running that triggered that bug?  It's only 
visible with code using class_createInstance() / object_dispose(), and I've not 
seen any code that actually uses those two functions.


On 29 Jul 2011, at 04:17, Justin Hibbits wrote:

> The gc_none.c free() is simply libc's free(), but gc->allocate_class() 
> returns ((id)ptr + 1).  This mismatch causes segfaults on FreeBSD.  Attached 
> is a patch that fixes this, but only for this one scenario.  A better patch 
> is needed for real.
> - Justin
> <fix_free_nogc.diff>
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