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-rw-r--r--gcc/doc/invoke.texi3
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index c1bb54b..b7a2013 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -17734,6 +17734,9 @@ function. The value @code{full} is an alias for specifying both
@code{branch} and @code{return}. The value @code{none} turns off
instrumentation.
+To override @option{-fcf-protection}, @option{-fcf-protection=none}
+needs to be added and then with @option{-fcf-protection=xxx}.
+
The value @code{check} is used for the final link with link-time
optimization (LTO). An error is issued if LTO object files are
compiled with different @option{-fcf-protection} values. The