Recent integration (e.g. https://testresults.qt.io/coin/api/results/qt/qtbase/6c69c54321493d43ed8edcc447a277b62b9a1ecc/LinuxUbuntu_20_04x86_64QNXQNX_710x86_64GCCqtci-linux-Ubuntu-20.04-x86_64-50-3259fcUseConfigure/e5abfcc4c487325ac1c93c88b39349fc0109de7e/build_1656387056/log.txt.gz) will print a warning about it
agent:2022/06/28 03:49:33 build.go:394: WARNING: All x86 intrinsics and SIMD support were disabled. If this was in error, check
agent:2022/06/28 03:49:33 build.go:394: the result of the build in config.tests/x86intrin and report at https://bugreports.qt.io.
It should be verified that we really are not able to use the cannonlake feature set, which qcc should support, given that it was based on gcc 8.?.