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[Bug c++/69865] -trigraphs option broken
- From: "redi at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 19 Feb 2016 08:52:05 +0000
- Subject: [Bug c++/69865] -trigraphs option broken
- Auto-submitted: auto-generated
- References: <bug-69865-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69865
--- Comment #7 from Jonathan Wakely <redi at gcc dot gnu.org> ---
(In reply to Bernd Edlinger from comment #1)
> weird:
> If I add -std=c++14 (or any other c++ version, including -ansi)
> to the command line, it works.
As documented in the manual:
-trigraphs
Support ISO C trigraphs. The -ansi option (and -std options for
strict ISO C conformance) implies -trigraphs.
Since the default is -std=gnu++14, -trigraphs is not enabled by default.