[PATCH] D17456: [libcxx] Reorganize _LIBCPP_LOCALE__L_EXTENSIONS

[Joerg Sonnenberger via cfe-commits]

On Fri, Feb 19, 2016 at 06:14:18PM +0000, Ben Craig via cfe-commits wrote:
> Instead of checking _LIBCPP_LOCALE__L_EXTENSIONS all over, instead
> check it once, and define the various *_l symbols once.

If you want to rename using macros, please use the argument form. I find
that to provide better self-documentation.

Joerg