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| author | Jonathan Wakely <jwakely@redhat.com> | 2023-02-15 13:32:57 +0000 |
|---|---|---|
| committer | Jonathan Wakely <jwakely@redhat.com> | 2023-02-16 12:35:13 +0000 |
| commit | d82490d531272f50202b663400cfa814335a11f2 (patch) | |
| tree | f76f2002d9ba6fd73bf7e08678395bbaa89d883d | |
| parent | b81b017ed30b8c6abb2e58a3ed9eb67eccc1c181 (diff) | |
| download | gcc-d82490d531272f50202b663400cfa814335a11f2.zip gcc-d82490d531272f50202b663400cfa814335a11f2.tar.gz gcc-d82490d531272f50202b663400cfa814335a11f2.tar.bz2 | |
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.
| -rw-r--r-- | gcc/doc/invoke.texi | 4 |
1 files changed, 4 insertions, 0 deletions
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: |