moc_qfilesystemmodel.cpp build failed for WebAssembly on macOS

agent:2020/06/11 16:51:57 build.go:253: In file included from dialogs/qfilesystemmodel.cpp:2174:
agent:2020/06/11 16:51:57 build.go:253: .moc/moc_qfilesystemmodel.cpp:138:137: error: no member named '__1' in namespace 'std'; did you mean '__2'?
agent:2020/06/11 16:51:57 build.go:253:         case 5: _t->d_func()->_q_fileSystemChanged((*reinterpret_cast< const QString(*)>(_a[1])),(*reinterpret_cast< const QVector<std::__1::pair<QString,QFileInfo>>(*)>(_a[2]))); break;
agent:2020/06/11 16:51:57 build.go:253:                                                                                                                                    ~~~~~^~~
agent:2020/06/11 16:51:57 build.go:253:                                                                                                                                         __2
agent:2020/06/11 16:51:57 build.go:253: /opt/emsdk/emscripten-1.39.8/system/include/libcxx/future:381:1: note: '__2' declared here
agent:2020/06/11 16:51:57 build.go:253: _LIBCPP_BEGIN_NAMESPACE_STD
agent:2020/06/11 16:51:57 build.go:253: ^
agent:2020/06/11 16:51:57 build.go:253: /opt/emsdk/emscripten-1.39.8/system/include/libcxx/__config:814:70: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
agent:2020/06/11 16:51:57 build.go:253: #define _LIBCPP_BEGIN_NAMESPACE_STD namespace std { inline namespace _LIBCPP_ABI_NAMESPACE {
agent:2020/06/11 16:51:57 build.go:253:                                                                      ^
agent:2020/06/11 16:51:57 build.go:253: /opt/emsdk/emscripten-1.39.8/system/include/libcxx/__config:125:32: note: expanded from macro '_LIBCPP_ABI_NAMESPACE'
agent:2020/06/11 16:51:57 build.go:253: # define _LIBCPP_ABI_NAMESPACE _LIBCPP_CONCAT(__,_LIBCPP_ABI_VERSION)
agent:2020/06/11 16:51:57 build.go:253:                                ^
agent:2020/06/11 16:51:57 build.go:253: /opt/emsdk/emscripten-1.39.8/system/include/libcxx/__config:122:45: note: expanded from macro '_LIBCPP_CONCAT'
agent:2020/06/11 16:51:57 build.go:253: #define _LIBCPP_CONCAT(_LIBCPP_X,_LIBCPP_Y) _LIBCPP_CONCAT1(_LIBCPP_X,_LIBCPP_Y)
agent:2020/06/11 16:51:57 build.go:253:                                             ^
agent:2020/06/11 16:51:57 build.go:253: /opt/emsdk/emscripten-1.39.8/system/include/libcxx/__config:121:46: note: expanded from macro '_LIBCPP_CONCAT1'
agent:2020/06/11 16:51:57 build.go:253: #define _LIBCPP_CONCAT1(_LIBCPP_X,_LIBCPP_Y) _LIBCPP_X##_LIBCPP_Y
agent:2020/06/11 16:51:57 build.go:253:                                              ^
agent:2020/06/11 16:51:57 build.go:253: <scratch space>:127:1: note: expanded from here
agent:2020/06/11 16:51:57 build.go:253: __2
agent:2020/06/11 16:51:57 build.go:253: ^
agent:2020/06/11 16:51:58 build.go:253: In file included from dialogs/qfileinfogatherer.cpp:435:
agent:2020/06/11 16:51:58 build.go:253: .moc/moc_qfileinfogatherer_p.cpp:123:114: error: no member named '__1' in namespace 'std'; did you mean '__2'?
agent:2020/06/11 16:51:58 build.go:253:         case 0: _t->updates((*reinterpret_cast< const QString(*)>(_a[1])),(*reinterpret_cast< const QVector<std::__1::pair<QString,QFileInfo>>(*)>(_a[2]))); break;
agent:2020/06/11 16:51:58 build.go:253:                                                                                                             ~~~~~^~~
agent:2020/06/11 16:51:58 build.go:253:                                                                                                                  __2
agent:2020/06/11 16:51:58 build.go:253: /opt/emsdk/emscripten-1.39.8/system/include/libcxx/variant:229:1: note: '__2' declared here
agent:2020/06/11 16:51:58 build.go:253: _LIBCPP_BEGIN_NAMESPACE_STD
agent:2020/06/11 16:51:58 build.go:253: ^
agent:2020/06/11 16:51:58 build.go:253: /opt/emsdk/emscripten-1.39.8/system/include/libcxx/__config:814:70: note: expanded from macro '_LIBCPP_BEGIN_NAMESPACE_STD'
agent:2020/06/11 16:51:58 build.go:253: #define _LIBCPP_BEGIN_NAMESPACE_STD namespace std { inline namespace _LIBCPP_ABI_NAMESPACE {
agent:2020/06/11 16:51:58 build.go:253:                                                                      ^
agent:2020/06/11 16:51:58 build.go:253: /opt/emsdk/emscripten-1.39.8/system/include/libcxx/__config:125:32: note: expanded from macro '_LIBCPP_ABI_NAMESPACE'
agent:2020/06/11 16:51:58 build.go:253: # define _LIBCPP_ABI_NAMESPACE _LIBCPP_CONCAT(__,_LIBCPP_ABI_VERSION)
agent:2020/06/11 16:51:58 build.go:253:                                ^
agent:2020/06/11 16:51:58 build.go:253: /opt/emsdk/emscripten-1.39.8/system/include/libcxx/__config:122:45: note: expanded from macro '_LIBCPP_CONCAT'
agent:2020/06/11 16:51:58 build.go:253: #define _LIBCPP_CONCAT(_LIBCPP_X,_LIBCPP_Y) _LIBCPP_CONCAT1(_LIBCPP_X,_LIBCPP_Y)
agent:2020/06/11 16:51:58 build.go:253:                                             ^
agent:2020/06/11 16:51:58 build.go:253: /opt/emsdk/emscripten-1.39.8/system/include/libcxx/__config:121:46: note: expanded from macro '_LIBCPP_CONCAT1'
agent:2020/06/11 16:51:58 build.go:253: #define _LIBCPP_CONCAT1(_LIBCPP_X,_LIBCPP_Y) _LIBCPP_X##_LIBCPP_Y
agent:2020/06/11 16:51:58 build.go:253:                                              ^
agent:2020/06/11 16:51:58 build.go:253: <scratch space>:51:1: note: expanded from here
agent:2020/06/11 16:51:58 build.go:253: __2
agent:2020/06/11 16:51:58 build.go:253: ^
agent:2020/06/11 16:51:58 build.go:253: 1 error generated.