https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106799
--- Comment #2 from michal at sawicz dot net --- @Richard correct, if you skip the precompilation, it compiles fine: ``` $ rm cmake_pch.hxx.gch $ /usr/bin/g++-12 -I/usr/src/googletest/googlemock/include -O2 -std=c++20 -include cmake_pch.hxx -c tmp.cpp $ ```