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Re: [PATCH] c++/71147 - [6 Regression] Flexible array member wrongly rejected in template

From: Jason Merrill <jason at redhat dot com>
To: Martin Sebor <msebor at gmail dot com>, Gcc Patch List <gcc-patches at gcc dot gnu dot org>
Date: Thu, 19 May 2016 09:30:12 -0400
Subject: Re: [PATCH] c++/71147 - [6 Regression] Flexible array member wrongly rejected in template
Authentication-results: sourceware.org; auth=none
References: <573D1979 dot 3080406 at gmail dot com>

On 05/18/2016 09:40 PM, Martin Sebor wrote:

The handling of flexible array members whose element type was
dependent tried to deal with the case when the element type
was not yet completed but it did it wrong.  The attached patch
corrects the handling by trying to complete the element type
first.

How about changing complete_type to complete the element type even foran array of unknown bound? It seems to me that it would be useful to dothat to set alignment and 'structor flags even if we can't set TYPE_SIZE.

It would also be useful to have a 'complete type or array of unknownbound of complete type' predicate to use here and in layout_var_decl,grokdeclarator, and type_with_alias_set_p.


Jason

Follow-Ups:
- Re: [PATCH] c++/71147 - [6 Regression] Flexible array member wrongly rejected in template
  - From: Martin Sebor

References:
- [PATCH] c++/71147 - [6 Regression] Flexible array member wrongly rejected in template
  - From: Martin Sebor

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