[Bug c++/79050] [5/6/7 Regression] ICE: tree code 'template_type_parm' is not supported in LTO streams

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79050

--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Either remove or munge somehow so that LTO is not upset about it.
Perhaps the same langhook could even resolve PR77754.  Though that PR is a
total mess and I'm lost what to do there.