RFC: PR 25137: moving -Wmissing-braces to -Wextra?

[Ian Lance Taylor]

Jonathan Wakely <jwakely.gcc@gmail.com> writes:

> 2009/11/17 Ian Lance Taylor:
>>
>> I don't really understand how this interacts with std::tr1:array,
>> though.
>
> For it to be a more convenient drop-in replacement for builtin arrays
> you want to initialise tr1::array like so:
>
> std::tr1::array<int> a = { 0, 1, 2 };
>
> rather than
>
> std::tr1::array<int> a = { { 0, 1, 2 } };
>
> but the former gives the warning.

OK, to me that seems like an excellent reason to implement a special
case for the warning here.  For example, perhaps if a struct has only
one field, and that field is an aggregate, then we don't warn if there
is only one set of braces.

Ian