C++ and gather-detailed-mem-stats

[Tobias Burnus]

Gabriel Dos Reis wrote:
> A few points to consider:
>      * relation of __builtin_function_location to C99 (and C++11) __func__
>
>      * Do we want to update libcpp to systematically expand __FILE__ to
>        __builtin_file_location, etc?

If you do so, please make sure that you don't break Fortran, which also 
uses libcpp.

Tobias