https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109663
--- Comment #5 from Jonathan Wakely <redi at gcc dot gnu.org> --- (In reply to Carlos Galvez from comment #0) > getting a handful of errors in this type of code compiling in C++14 mode: But the Eigen example has been rejected since r13-6765 c++: explicit ctor and list-initialization [PR109159]