[Bug c++/107163] [10/11/12/13 Regression] huge Compile time increase when using templated base classes, virtual method, and Wall since r10-2823-g6a07489267e55084

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107163

--- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Yes, using -std=gnu++14 makes GCC 11 as fast as GCC 8.