[Bug c++/66745] [6 Regression] ice in check_unstripped_args

[ramana at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66745

--- Comment #5 from Ramana Radhakrishnan <ramana at gcc dot gnu.org> ---
I've had a look at it - however it's not an area that I've worked in before, so
beware it will take me a while to understand the issue here.

If someone can help with a reduced testcase that would be appreciated.