Joe Buck - Re: PR24138 and flexible arrays in C++ (original) (raw)

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• From: Joe Buck
• To: Gabriel Dos Reis
• Cc: Mark Mitchell ,Aldy Hernandez , gcc at gcc dot gnu dot org, jconner at apple dot com
• Date: Thu, 10 Nov 2005 14:50:48 -0800
• Subject: Re: PR24138 and flexible arrays in C++
• References: <20051110124156.GA24909@redhat.com> <4373BA75.3020706@codesourcery.com> <m3psp83zdj.fsf@uniton.integrable-solutions.net>

On Thu, Nov 10, 2005 at 11:35:20PM +0100, Gabriel Dos Reis wrote:

Mark Mitchell mark@codesourcery.com writes:

| Ideally, I think we would support it; I'm just not sure exactly what | restrictions, if any, should apply to the flexible array data member. | For example, perhaps the type of the elements should be one that does | not require construction. Perhaps that's OK; I'm just not sure.

Maybe accept it just the way it is used in C, e.g. POD, no inheritance, no fancy stuff.

I think we have to do at least that, because using the extension in C is common, and headers get shared by C and C++. It's probably fine to refuse it in the context of inheritance and the like.

• References:
  • PR24138 and flexible arrays in C++
    * From: Aldy Hernandez
  • Re: PR24138 and flexible arrays in C++
    * From: Mark Mitchell
  • Re: PR24138 and flexible arrays in C++
    * From: Gabriel Dos Reis