[Bug target/114968] [14/15 Regression] missing `__thiscall` attribute on builtin declaration of `__cxa_thread_atexit()`

[lh_mouse at 126 dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114968

--- Comment #5 from LIU Hao <lh_mouse at 126 dot com> ---
(In reply to LIU Hao from comment #4)
> > (build_function_type_list returns a shared type, so if attributes are to be
> > added, it needs to go on a variant of the type.
> > 


Just saw this. So I would have to clone the tree..