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Date: Mon, 09 Jun 2014 14:46:00 -0000
From: Jason Merrill <jason@redhat.com>
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To: Marc Glisse <marc.glisse@inria.fr>
CC: gcc-patches@gcc.gnu.org
Subject: Re: PR54442 build_qualified_type produces a non-canonical type
References: <alpine.DEB.2.02.1406091604020.13093@stedding.saclay.inria.fr> <5395C387.1010506@redhat.com> <alpine.DEB.2.10.1406091630330.2186@laptop-mg.saclay.inria.fr>
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On 06/09/2014 10:32 AM, Marc Glisse wrote:
> On Mon, 9 Jun 2014, Jason Merrill wrote:
>
>> On 06/09/2014 10:18 AM, Marc Glisse wrote:
>>> I doubt the patch can be wrong, but it may be that this is a situation
>>> that is not supposed to happen and should be fixed elsewhere?
>>
>> Seems likely.  What is the difference between the type returned from
>> build_qualified_type (TYPE_CANONICAL and it's TYPE_CANONICAL?  I would
>> expect them to be the same.
>
>      throws <tree_list 0x7ffff660e5c8
>          purpose <integer_cst 0x7ffff64d6ba0 constant 1>>>
>
> (in what build_qualified_type returns)

I guess that makes sense, given that the exception specification isn't 
really part of the type.  The patch is OK.

Jason