https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110167
--- Comment #3 from Jonathan Wakely <redi at gcc dot gnu.org> --- $ time ~/gcc/9/bin/g++ 110167.cc -c -O3 real 0m5.568s user 0m5.497s sys 0m0.035s $ time ~/gcc/10/bin/g++ 110167.cc -c -O3 real 0m5.393s user 0m5.355s sys 0m0.028s $ time ~/gcc/11/bin/g++ 110167.cc -c -O3 real 0m10.543s user 0m10.205s sys 0m0.317s $ time ~/gcc/12/bin/g++ 110167.cc -c -O3 real 0m14.042s user 0m13.747s sys 0m0.270s $ time ~/gcc/13/bin/g++ 110167.cc -c -O3 real 0m9.422s user 0m9.232s sys 0m0.170s