[Bug c++/70217] Cygwin 2.4.1 x86_64/GCC 5.3.0 can no longer compile a program with std=c++03

[noloader at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70217

--- Comment #1 from Jeffrey Walton <noloader at gmail dot com> ---
Cygwin bug https://sourceware.org/bugzilla/show_bug.cgi?id=19817.