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Date: Thu, 10 Nov 2011 20:25:00 -0000
From: Jason Merrill <jason@redhat.com>
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To: Jonathan Wakely <jwakely.gcc@gmail.com>
CC: gcc-patches <gcc-patches@gcc.gnu.org>
Subject: Re: [patch] c++/2972 warn when ctor-initializer leaves uninitialized data
References: <CAH6eHdRE9192yx6QU1GEQviQ5iSz5zUkNuaH8KJcoojmUDZnDQ@mail.gmail.com> <4EB851F2.4090107@redhat.com> <CAH6eHdTnUedQJyD1bcvuJdnjQzscPpSY+D000jvYw7pQ=yAr0Q@mail.gmail.com>
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On 11/10/2011 02:48 PM, Jonathan Wakely wrote:
> +warn_missing_meminits (tree type, tree cons)
> +{
> +  tree mem_inits = sort_mem_initializers (type, NULL_TREE);
> +  while (mem_inits)
> +    {
> +      tree member = TREE_PURPOSE (mem_inits);
> +      /* TODO do not warn if brace-or-equal-initializer */
> +      warn_meminit_leaves_uninitialized (member, TREE_TYPE (member), cons);
> +      mem_inits = TREE_CHAIN (mem_inits);
> +    }
> +}

Check DECL_INITIAL (member) to tell if it has an NSDMI.

Jason