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-rw-r--r--gcc/doc/options.texi5
1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/doc/options.texi b/gcc/doc/options.texi
index df52cdbfab3..bcffdf86aaa 100644
--- a/gcc/doc/options.texi
+++ b/gcc/doc/options.texi
@@ -488,4 +488,9 @@ The state of this option should be kept in sync with the preprocessor
option @var{var}. If this property is set, then properties @code{Var}
and @code{Init} must be set as well.
+@item CppReason(@var{CPP_W_Enum})
+This warning option corresponds to @code{cpplib.h} warning reason code
+@var{CPP_W_Enum}. This should only be used for warning options of the
+C-family front-ends.
+
@end table