From d82490d531272f50202b663400cfa814335a11f2 Mon Sep 17 00:00:00 2001 From: Jonathan Wakely Date: Wed, 15 Feb 2023 13:32:57 +0000 Subject: [PATCH] doc: Suggest fix for -Woverloaded-virtual warnings Users are confused about what this warning means, so add a suggested solution to the documentation. gcc/ChangeLog: * doc/invoke.texi (C++ Dialect Options): Suggest adding a using-declaration to unhide functions. --- gcc/doc/invoke.texi | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 0a43720..6def1fd 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -4282,6 +4282,10 @@ b->f(); @noindent fails to compile. +In cases where the different signatures are not an accident, the +simplest solution is to add a using-declaration to the derived class +to un-hide the base function, e.g. add @code{using A::f;} to @code{B}. + The optional level suffix controls the behavior when all the declarations in the derived class override virtual functions in the base class, even if not all of the base functions are overridden: -- 2.7.4