[Bug c++/125498] [reflection] ICE with -g -freflection on constructor-parameter reflection NTTP

[mpolacek at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=125498

--- Comment #2 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
We crash because our S::S(int) somehow lost its DECL_ARGUMENTS so
skip_artificial_parms_for crashes on a null tree.