[Bug c++/66617] C++11 {brace} initialisation of virtually inherited derived class = failure to override base virtual function, unless all base ctors have same signature

[db0451 at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66617

--- Comment #5 from DB <db0451 at gmail dot com> ---
Created attachment 35847
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=35847&action=edit
-save-temps output files plus the triggering cpp file

see corresponding -v output added in latest comment. Please advise when this
issue has been received and reviewed. Thanks.