QtQuick3D fails to compile targeting WebAssembly

FAILED: src/assetutils/CMakeFiles/Quick3DAssetUtils.dir/qssgqmlutilities.cpp.o 

../../src/assetutils/qssgqmlutilities.cpp:464:66: error: template argument for template type parameter must be a type
const char *qmlElementName() { Q_STATIC_ASSERT_X((std::is_same_v), "Unknown type"); return nullptr; }
                                                                 ^
/home/qt/work/install/target/include/QtCore/qglobal.h:115:68: note: expanded from macro 'Q_STATIC_ASSERT_X'
#  define Q_STATIC_ASSERT_X(Condition, Message) static_assert(bool(Condition), Message)
                                                                   ^~~~~~~~~
/opt/emsdk/emscripten-2.0.14/cache/sysroot/include/c++/v1/type_traits:551:17: note: template parameter is declared here
template