https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104395
--- Comment #1 from cqwrteur <unlvsur at live dot com> --- /home/cqwrteur/myhome/gcc_build/native/wasm32-wasi/libstdc++-v3/include/ext/pool_allocator.h:274:16: error: '_Tp' does not refer to a value if (alignof(_Tp) > __STDCPP_DEFAULT_NEW_ALIGNMENT__) ^ Sounds like a weird issue in clang 15.