[Bug c++/58057] gcc lexer cannot parse extern "\x43" void blah() with option -std=c++0x;

[paolo.carlini at oracle dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58057

--- Comment #8 from Paolo Carlini <paolo.carlini at oracle dot com> ---
Among the compilers I have at hand, only the latest Icc accepts this.