[gcc r15-3771] libstdc++: Silence -Woverloaded-virtual warning in cxx11-ios_failure.cc

[Jonathan Wakely via Libstdc++-cvs]

https://gcc.gnu.org/g:d842eb5ee6cb4d8a2795730ac88c4c2960f94bf4

commit r15-3771-gd842eb5ee6cb4d8a2795730ac88c4c2960f94bf4
Author: Jonathan Wakely <jwak...@redhat.com>
Date:   Wed Sep 18 15:38:02 2024 +0100

    libstdc++: Silence -Woverloaded-virtual warning in cxx11-ios_failure.cc
    
    libstdc++-v3/ChangeLog:
    
            * src/c++11/cxx11-ios_failure.cc (__iosfail_type_info): Unhide
            the three-arg overload of __do_upcast.

Diff:
---
 libstdc++-v3/src/c++11/cxx11-ios_failure.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libstdc++-v3/src/c++11/cxx11-ios_failure.cc 
b/libstdc++-v3/src/c++11/cxx11-ios_failure.cc
index bd3fd556bd43..70dddc82389e 100644
--- a/libstdc++-v3/src/c++11/cxx11-ios_failure.cc
+++ b/libstdc++-v3/src/c++11/cxx11-ios_failure.cc
@@ -94,6 +94,8 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
   {
     ~__iosfail_type_info();
 
+    using __si_class_type_info::__do_upcast;
+
     bool
     __do_upcast (const __class_type_info *dst_type,
                 void **obj_ptr) const override;