qstring.h, qstringbuilder.h: implicit conversion loses integer precision: 'qsizetype' (aka 'long long') to 'int'

agent:2020/08/24 09:30:03 build.go:302: In file included from /Users/qt/work/qt/qtbase/src/corelib/global/qendian.h:44:
agent:2020/08/24 09:30:03 build.go:302: In file included from /Users/qt/work/qt/qtbase/build/host/include/QtCore/qfloat16.h:1:
agent:2020/08/24 09:30:03 build.go:302: In file included from /Users/qt/work/qt/qtbase/build/host/include/QtCore/../../../../src/corelib/global/qfloat16.h:45:
agent:2020/08/24 09:30:03 build.go:302: In file included from /Users/qt/work/qt/qtbase/build/host/include/QtCore/qmetatype.h:1:
agent:2020/08/24 09:30:03 build.go:302: In file included from /Users/qt/work/qt/qtbase/build/host/include/QtCore/../../../../src/corelib/kernel/qmetatype.h:48:
agent:2020/08/24 09:30:03 build.go:302: In file included from /Users/qt/work/qt/qtbase/build/host/include/QtCore/qvarlengtharray.h:1:
agent:2020/08/24 09:30:03 build.go:302: In file included from /Users/qt/work/qt/qtbase/build/host/include/QtCore/../../../../src/corelib/tools/qvarlengtharray.h:47:
agent:2020/08/24 09:30:03 build.go:302: In file included from /Users/qt/work/qt/qtbase/build/host/include/QtCore/qhashfunctions.h:1:
agent:2020/08/24 09:30:03 build.go:302: In file included from /Users/qt/work/qt/qtbase/build/host/include/QtCore/../../../../src/corelib/tools/qhashfunctions.h:44:
agent:2020/08/24 09:30:03 build.go:302: In file included from /Users/qt/work/qt/qtbase/build/host/include/QtCore/qstring.h:1:
agent:2020/08/24 09:30:03 build.go:302: /Users/qt/work/qt/qtbase/build/host/include/QtCore/../../../../src/corelib/text/qstring.h:189:99: error: implicit conversion loses integer precision: 'qsizetype' (aka 'long long') to 'int' [-Werror,-Wshorten-64-to-32]
agent:2020/08/24 09:30:03 build.go:302:         return result == QContainerImplHelper::Null ? QLatin1String() : QLatin1String(m_data + p, l);
agent:2020/08/24 09:30:03 build.go:302:                                                                         ~~~~~~~~~~~~~             ^
agent:2020/08/24 09:30:03 build.go:302: /Users/qt/work/qt/qtbase/build/host/include/QtCore/../../../../src/corelib/text/qstring.h:1103:16: error: implicit conversion loses integer precision: 'qsizetype' (aka 'long long') to 'int' [-Werror,-Wshorten-64-to-32]
agent:2020/08/24 09:30:03 build.go:302:         return QString::toUcs4_helper(reinterpret_cast<const ushort *>(data()), int(size()),
agent:2020/08/24 09:30:03 build.go:302:         ~~~~~~ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
agent:2020/08/24 09:30:03 build.go:302: /Users/qt/work/qt/qtbase/build/host/include/QtCore/../../../../src/corelib/text/qstring.h:1337:15: error: implicit conversion loses integer precision: 'qsizetype' (aka 'long long') to 'int' [-Werror,-Wshorten-64-to-32]
agent:2020/08/24 09:30:03 build.go:302:     int len = toUcs4_helper(reinterpret_cast<const ushort *>(constData()), length(),
agent:2020/08/24 09:30:03 build.go:302:         ~~~   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
agent:2020/08/24 09:30:03 build.go:302: /Users/qt/work/qt/qtbase/build/host/include/QtCore/../../../../src/corelib/text/qstring.h:1533:65: error: implicit conversion loses integer precision: 'qsizetype' (aka 'long long') to 'int' [-Werror,-Wshorten-64-to-32]
agent:2020/08/24 09:30:03 build.go:302: { m_string = aString; m_position = 0; m_size = aString?aString->size():0; return *this; }
agent:2020/08/24 09:30:03 build.go:302:                                              ~         ~~~~~~~~~^~~~~~
agent:2020/08/24 09:30:03 build.go:302: /Users/qt/work/qt/qtbase/build/host/include/QtCore/../../../../src/corelib/text/qstring.h:1539:64: error: implicit conversion loses integer precision: 'qsizetype' (aka 'long long') to 'int' [-Werror,-Wshorten-64-to-32]
agent:2020/08/24 09:30:03 build.go:302:     :m_string(aString), m_position(0), m_size(aString?aString->size() : 0){}
agent:2020/08/24 09:30:03 build.go:302:                                              ~        ~~~~~~~~~^~~~~~
[...]
agent:2020/08/24 09:30:03 build.go:302: /Users/qt/work/qt/qtbase/build/host/include/QtCore/../../../../src/corelib/text/qstringbuilder.h:259:50: error: implicit conversion loses integer precision: 'qsizetype' (aka 'long long') to 'int' [-Werror,-Wshorten-64-to-32]
agent:2020/08/24 09:30:03 build.go:302:     static int size(const QString &a) { return a.size(); }
agent:2020/08/24 09:30:03 build.go:302:                                         ~~~~~~ ~~^~~~~~
agent:2020/08/24 09:30:03 build.go:302: /Users/qt/work/qt/qtbase/build/host/include/QtCore/../../../../src/corelib/text/qstringbuilder.h:262:25: error: implicit conversion loses integer precision: 'qsizetype' (aka 'long long') to 'const int' [-Werror,-Wshorten-64-to-32]
agent:2020/08/24 09:30:03 build.go:302:         const int n = a.size();