[Bug c++/78701] [6/7 Regression] ICE: unexpected expression N of kind template_parm_index

[vince.rev at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78701

--- Comment #3 from Vincent <vince.rev at gmail dot com> ---
I am compiling with:
g++ test_bug.cpp -o test_bug
g++ -std=c++11 test_bug.cpp -o test_bug
g++ -std=c++14 test_bug.cpp -o test_bug
and it fails in the 3 cases.