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Date: Tue, 07 Jun 2011 14:24:00 -0000
From: Jason Merrill <jason@redhat.com>
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To: Richard Guenther <richard.guenther@gmail.com>
CC: Richard Guenther <rguenther@suse.de>,        gcc-patches List <gcc-patches@gcc.gnu.org>
Subject: Re: RFA (fold): PATCH for c++/49290 (folding *(T*)(ar+10))
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On 06/07/2011 10:05 AM, Richard Guenther wrote:
> In that case you could do what Jakub suggested - but only for rvalues
> of course.

Right, and I need to handle lvalues as well.

> I'm not sure if we already avoid calling the folding where we
> require lvalues.

No, we don't.

> Can't you instead adjust the type you feed to fold_indirect_ref_1 in
> the caller in the C++ FE?

Not without digging down into the operand to see what type it wants.  At 
that point I might as well just copy the whole function into the FE.

Jason