After r14-2692-g1c6231c05bdcca, the option is defined as EnumSet and
-fcf-protection=branch won't unset any others bits since they're in
different groups. So to override -fcf-protection, an explicit
-fcf-protection=none needs to be added and then with
-fcf-protection=XXX
Bootstrapped and regtested on x86_64-pc-linux-gnu{-m32,}.
Ok for trunk?
gcc/ChangeLog:
* doc/invoke.texi (fcf-protection=): Update documents.
---
gcc/doc/invoke.texi | 3 +++
1 file changed, 3 insertions(+)
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index 68d1f364ac0..d1e6fafb98c 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 explicitly 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
--
2.31.1
