[Bug c/105149] [9/10/11/12 Regression] ICE in verify_ssa, at tree-ssa.cc:1211

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105149

--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
It looks like c_build_va_arg could be amended to reject FUNCTION_TYPE type. 
But as said, not sure if this is valid or not.