[Bug libstdc++/108391] '::operator delete(void*, size_t)' was not found when clang compiled libstdc++

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108391

--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> ---
(In reply to jinci kang from comment #0)
> * The reason is that clang does not define the macro
> __cpp_sized_deallocation.

Well then that's a clang bug. It shouldn't be trying to use sized delete if it
hasn't informed the std::lib that sized delete is supported.