[Bug libstdc++/71640] [7 Regression] include/c++/7.0.0/bits/hashtable.h:293:7: error: too many template parameters in template redeclaration

[trippels at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71640

--- Comment #4 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
See: PR71679