[Bug c++/105418] debug_tree does not support well for std::construct_at

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105418

--- Comment #6 from Jiu Fu Guo <guojiufu at gcc dot gnu.org> ---
(In reply to Jiu Fu Guo from comment #5)
...
> This issue happens when calling debug_tree/decl_as_string manually inside
> FE.  At where overloaded functions (::new) are not resolved yet, and then
> cause 'tsubst' to be called. 
> I see, it is not a good place to use debug_tree.
Or add something in FE for it (not a must :)