Wen Han

Yes they are mainly C++ symbols from our side modules ``` _ZTv0_n12_NSt3__218basic_stringstreamIcNS_11char_traitsIcEE18D3E_core_allocatorIcEED1Ev: __ZTv0_n12_NSt3__218basic_stringstreamIcNS_11char_traitsIcEE18D3E_core_allocatorIcEED1Ev, _ZTv0_n12_NSt3__219basic_ostringstreamIcNS_11char_traitsIcEE18D3E_core_allocatorIcEED0Ev: __ZTv0_n12_NSt3__219basic_ostringstreamIcNS_11char_traitsIcEE18D3E_core_allocatorIcEED0Ev, _ZTv0_n12_NSt3__219basic_ostringstreamIcNS_11char_traitsIcEE18D3E_core_allocatorIcEED1Ev: __ZTv0_n12_NSt3__219basic_ostringstreamIcNS_11char_traitsIcEE18D3E_core_allocatorIcEED1Ev, ```

Tried using `rpath` plus the changes in PR https://github.com/emscripten-core/emscripten/pull/25694 and PR https://github.com/emscripten-core/emscripten/pull/24234. They do not work for me. Reason is because `nested.wasm` cannot be found in the filesystem. My app...