Undefined behavior in moc

-platform linux-clang -sanitize undefined

-platform linux-clang -opensource -confirm-license -nomake examples -nomake tests -prefix $PWD/qtbase -release -static -sanitize fuzzer-no-link -sanitize undefined -no-gc-binaries

make[3]: Entering directory '/home/qtrob/dev/clang-10.0.0/qt-5.15.2-base_svg-fuzz-ubsan/qtbase/src/network'
/home/qtrob/dev/clang-10.0.0/qt-5.15.2-base_svg-fuzz-ubsan/qtbase/bin/moc -DQT_NO_LINKED_LIST -DQT_NO_JAVA_STYLE_ITERATORS -DQT_NO_USING_NAMESPACE -DQT_NO_FOREACH -DQT_USE_SYSTEM_PROXIES -DQT_NO_NARROWING_CONVERSIONS_IN_CONNECT -DQT_BUILD_NETWORK_LIB -DQT_BUILDING_QT -DQT_NO_CAST_TO_ASCII -DQT_ASCII_CAST_WARNINGS -DQT_MOC_COMPAT -DQT_USE_QSTRINGBUILDER -DQT_DEPRECATED_WARNINGS -DQT_DISABLE_DEPRECATED_BEFORE=0x050000 -DQT_DEPRECATED_WARNINGS_SINCE=0x060000 -DQT_NO_EXCEPTIONS -D_LARGEFILE64_SOURCE -D_LARGEFILE_SOURCE -DQT_NO_DEBUG -DQT_CORE_LIB --include /home/qtrob/dev/clang-10.0.0/qt-5.15.2-base_svg-fuzz-ubsan/qtbase/src/network/.moc/moc_predefs.h -I/home/qtrob/dev/src/qt-5.15.2-base_svg/qtbase/mkspecs/linux-clang -I/home/qtrob/dev/src/qt-5.15.2-base_svg/qtbase/src/network -I/home/qtrob/dev/src/qt-5.15.2-base_svg/qtbase/src/network/kernel -I/home/qtrob/dev/clang-10.0.0/qt-5.15.2-base_svg-fuzz-ubsan/qtbase/include -I/home/qtrob/dev/clang-10.0.0/qt-5.15.2-base_svg-fuzz-ubsan/qtbase/include/QtNetwork -I/home/qtrob/dev/clang-10.0.0/qt-5.15.2-base_svg-fuzz-ubsan/qtbase/include/QtNetwork/5.15.2 -I/home/qtrob/dev/clang-10.0.0/qt-5.15.2-base_svg-fuzz-ubsan/qtbase/include/QtNetwork/5.15.2/QtNetwork -I/home/qtrob/dev/clang-10.0.0/qt-5.15.2-base_svg-fuzz-ubsan/qtbase/include/QtCore/5.15.2 -I/home/qtrob/dev/clang-10.0.0/qt-5.15.2-base_svg-fuzz-ubsan/qtbase/include/QtCore/5.15.2/QtCore -I/home/qtrob/dev/clang-10.0.0/qt-5.15.2-base_svg-fuzz-ubsan/qtbase/include/QtCore -I. -I/usr/include/c++/9 -I/usr/include/x86_64-linux-gnu/c++/9 -I/usr/include/c++/9/backward -I/usr/lib/llvm-10/lib/clang/10.0.0/include -I/usr/include/x86_64-linux-gnu -I/usr/include /home/qtrob/dev/src/qt-5.15.2-base_svg/qtbase/src/network/access/qspdyprotocolhandler_p.h -o .moc/moc_qspdyprotocolhandler_p.cpp
/home/qtrob/dev/src/qt-5.15.2-base_svg/qtbase/src/tools/moc/preprocessor.cpp:889:22: runtime error: signed integer overflow: 2147483647 * 2 cannot be represented in type 'int'
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior /home/qtrob/dev/src/qt-5.15.2-base_svg/qtbase/src/tools/moc/preprocessor.cpp:889:22 in 
make[3]: *** [Makefile:5751: .moc/moc_qspdyprotocolhandler_p.cpp] Error 1