On 12/15/2014 01:30 PM, Jason Merrill wrote:
> This patch implements the last remaining language feature for C++14,
> global sized deallocation.  C++ has always had sized deallocation at
> class scope, but didn't for deletes that use the global operator delete.
>
> The support can be controlled separately from the -std level with the
> -fsized-deallocation flag (same as clang).
>
> The compiler will warn about the unsized variant being defined without
> the sized variant (or vice versa) with the -Wsized-deallocation flag,
> which is also enabled by -Wextra.
>
> This patch also adds -Wc++14-compat, which currently only warns about a
> deallocation function with a second size_t parameter changing from being
> a placement delete to a usual deallocation function.
>
> Tested x86_64-pc-linux-gnu, applying to trunk.

I suppose we should also declare these functions in <new>.

Jason