diff options
Diffstat (limited to 'clang/lib/Frontend/CompilerInvocation.cpp')
| -rw-r--r-- | clang/lib/Frontend/CompilerInvocation.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp index c3c8f3b..17c43ec 100644 --- a/clang/lib/Frontend/CompilerInvocation.cpp +++ b/clang/lib/Frontend/CompilerInvocation.cpp @@ -2787,7 +2787,9 @@ static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK, // Mimicking gcc's behavior, trigraphs are only enabled if -trigraphs // is specified, or -std is set to a conforming mode. // Trigraphs are disabled by default in c++1z onwards. - Opts.Trigraphs = !Opts.GNUMode && !Opts.MSVCCompat && !Opts.CPlusPlus17; + // For z/OS, trigraphs are enabled by default (without regard to the above). + Opts.Trigraphs = + (!Opts.GNUMode && !Opts.MSVCCompat && !Opts.CPlusPlus17) || T.isOSzOS(); Opts.Trigraphs = Args.hasFlag(OPT_ftrigraphs, OPT_fno_trigraphs, Opts.Trigraphs); |