# git rev-parse -q --verify fa55b7dcdc43c1aa1ba12bca9d2dd4318c2a0dbf^{commit}
fa55b7dcdc43c1aa1ba12bca9d2dd4318c2a0dbf
already have revision, skipping fetch
# git checkout -q -f -B kisskb fa55b7dcdc43c1aa1ba12bca9d2dd4318c2a0dbf
# git clean -qxdf
# < git log -1
# commit fa55b7dcdc43c1aa1ba12bca9d2dd4318c2a0dbf
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Sun Nov 14 13:56:52 2021 -0800
# 
#     Linux 5.16-rc1
# < /opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux-gcc --version
# < /opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux-ld --version
# < git log --format=%s --max-count=1 fa55b7dcdc43c1aa1ba12bca9d2dd4318c2a0dbf
# < make -s -j 48 ARCH=um O=/kisskb/build/linus_um-defconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux- SUBARCH=x86_64 defconfig
# < make -s -j 48 ARCH=um O=/kisskb/build/linus_um-defconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux- SUBARCH=x86_64 help
# make -s -j 48 ARCH=um O=/kisskb/build/linus_um-defconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux- SUBARCH=x86_64 olddefconfig
# make -s -j 48 ARCH=um O=/kisskb/build/linus_um-defconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux- SUBARCH=x86_64 
x86_64-linux-gcc.br_real: error: unrecognized command line option '-Wimplicit-fallthrough=5'
make[2]: *** [/kisskb/src/scripts/Makefile.build:121: arch/x86/um/user-offsets.s] Error 1
make[1]: *** [/kisskb/src/arch/um/Makefile:118: archprepare] Error 2
make: *** [Makefile:219: __sub-make] Error 2
Command 'make -s -j 48 ARCH=um O=/kisskb/build/linus_um-defconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux- SUBARCH=x86_64 ' returned non-zero exit status 2
# rm -rf /kisskb/build/linus_um-defconfig_um-x86_64
# Build took: 0:00:06.461322