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Re: Conservative GC isn't safe

From: Stefan Monnier
Subject: Re: Conservative GC isn't safe
Date: Mon, 28 Nov 2016 11:15:28 -0500
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/25.1.50 (gnu/linux)

>> res = Fvector (ito - ifrom, aref_addr (string, ifrom));
> But 'string' still references the contents array of the vector, so GC
> will mark it when it comes to 'string'.

But after computing "aref_addr (string, ifrom)", it may very well be
that `string` is dead and the compiler may then decide not to write
it into the stack.


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