r184057 - Add tests for C++ DR100-150.

[Rafael Espíndola]

> +namespace dr127 { // dr127: yes
> +  typedef __SIZE_TYPE__ size_t;

This is failing on windows:

http://bb.pgr.jp/builders/cmake-clang-x64-msc16-R/builds/1363/steps/test_clang/logs/Clang%20%3A%3A%20CXX__drs__dr1xx.cpp

Cheers,
Rafael