[Bug c++/82172] Destruction of basic_string in basic_stringbuf::overflow with _GLIBCXX_USE_CXX11_ABI=0, -flto, and C++17 mode results in invalid delete

[general+gcc at matley dot com.au]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82172

--- Comment #3 from Shane <general+gcc at matley dot com.au> ---
The problem disappears in the following cases:

- LTO is not enabled
- libstdc++ is statically linked
- If the C++11 ABI is used
- Lower optimisation level
- "Downgrade" to c++14 or c++11