Doxygen brief description generation triggered Qt Creator segfault

I'm hitting a segfault in Qt Creator 6.0.2 when triggering the Doxygen brief description generation ("/**" + <Enter>), unfortunately I don't have the debug symbols so this is the best gdb could come up with:

Thread 1 "qtcreator" received signal SIGSEGV, Segmentation fault.
0x00007fffb98c141f in ?? () from /home/cmannett85/workspace/Qt/Tools/QtCreator/lib/qtcreator/plugins/libCppEditor.so

Not very useful, I know. This is the snippet of code of that triggered it:

/** <-- Bang!
template <typename... Parents>
[[nodiscard]] std::size_t pre_parse_phase(
      vector<parsing::token_type>& result,
      span<const char*>& args,
      [[maybe_unused]] const parsing::token_list& tokens,
      [[maybe_unused]] const Parents&... parents) const

Although the real code is inside a namespaced class, I can still trigger it using the above when copied into the global namespace - so it doesn't appear to be context-driven and therefore should be reproducible by others.