https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62086
--- Comment #2 from baoshan <pangbw at gmail dot com> --- Are you sure \u00A8\u00AA\u00AD\u00AF\u00B2\u00B5 is invalid for C++ standard? or it is just invalid for GCC now? I extracted this code from a C++ test suite, and I think it should be valid for C++11.
