[Bug c++/69865] -trigraphs option broken

[bernd.edlinger at hotmail dot de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69865

--- Comment #1 from Bernd Edlinger <bernd.edlinger at hotmail dot de> ---
weird:
If I add -std=c++14 (or any other c++ version, including -ansi)
to the command line, it works.