[Bug ipa/64813] 23_containers/unordered_map/requirements/explicit_instantiation/[2,4].cc iCEs

[dominiq at lps dot ens.fr]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64813

--- Comment #10 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
As expected the underlying problem has been introduced by r216305.