| Message ID | YCaUj7Dv748ntsFc@redhat.com |
|---|---|
| State | New |
| Headers | show |
| Series | [committed] libstdc++: Fix errors when syncbuf is used without RTTI | expand |
diff --git a/libstdc++-v3/include/std/ostream b/libstdc++-v3/include/std/ostream index 85ed47ecbce..c7c4e78e8a7 100644 --- a/libstdc++-v3/include/std/ostream +++ b/libstdc++-v3/include/std/ostream @@ -783,10 +783,12 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION { public: static bool* - _S_get(basic_streambuf<_CharT, _Traits>* __buf) noexcept + _S_get(basic_streambuf<_CharT, _Traits>* __buf [[maybe_unused]]) noexcept { +#if __cpp_rtti if (auto __p = dynamic_cast<__syncbuf_base*>(__buf)) return &__p->_M_emit_on_sync; +#endif return nullptr; }
libstdc++-v3/ChangeLog: * include/std/ostream (__syncbuf_base::_S_get): Mark parameter as unused and only use dynamic_cast when RTTI is enabled. Tested powerpc64le-linux. Committed to trunk. commit 14b554c462d5b6450fa24afb7ba55435ebd4b46f Author: Jonathan Wakely <jwakely@redhat.com> Date: Fri Feb 12 11:36:27 2021 libstdc++: Fix errors when syncbuf is used without RTTI libstdc++-v3/ChangeLog: * include/std/ostream (__syncbuf_base::_S_get): Mark parameter as unused and only use dynamic_cast when RTTI is enabled.