rsmith added inline comments.
================
Comment at: include/clang/Driver/Options.td:1337-1338
Flags<[CC1Option]>, Group<f_Group>;
+def fno_digraphs : Flag<["-"], "fno-digraphs">, Group<f_Group>,
Flags<[CC1Option]>,
+ HelpText<"Disallow alternative token representations '<:', ':>', '<%', '%>',
'%:'">;
def fno_declspec : Flag<["-"], "fno-declspec">, Group<f_clang_Group>,
----------------
In the driver, we generally want a `-ffoo` option matching `-fno-foo`. That is,
the driver (but not `-cc1`) should support a matching `-fdigraphs` option to
undo the effect of `-fno-digraphs`, unless there's a good reason not to do so.
Repository:
rC Clang
https://reviews.llvm.org/D48266
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