https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97701
--- Comment #4 from Alex Coplan <acoplan at gcc dot gnu.org> --- Indeed, you can recover the ICE on trunk by adding -fno-ssa-phiopt.
acoplan at gcc dot gnu.org via Gcc-bugs Fri, 20 Nov 2020 07:55:04 -0800
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97701
--- Comment #4 from Alex Coplan <acoplan at gcc dot gnu.org> --- Indeed, you can recover the ICE on trunk by adding -fno-ssa-phiopt.