Using -Oline -j 72 W=1 redirect to /tmp/tmp.4jz1OGpP0C and /tmp/tmp.RWANpX2gP7
LLVM=1 cc="ccache clang"
clang version 20.1.8 (Fedora 20.1.8-4.fc42)
Tree base:
f41079a6f91a ("ipvlan: Support IPv6 in macnat mode.")
Skip baseline build, not the first patch and no Kconfig updates
Building the tree before the patch
make[1]: Entering directory '/home/nipa/net-next/wt-1/build_clang'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net-next/wt-1/build_clang'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  DESCEND objtool
  INSTALL libsubcmd_headers
  CALL    ../scripts/checksyscalls.sh
  CC [M]  drivers/net/ipvlan/ipvlan_core.o
  LD [M]  drivers/net/ipvlan/ipvlan.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#7747)
  LD [M]  drivers/net/ipvlan/ipvlan.ko
Building the tree with the patch
make[1]: Entering directory '/home/nipa/net-next/wt-1/build_clang'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net-next/wt-1/build_clang'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  DESCEND objtool
  INSTALL libsubcmd_headers
  CALL    ../scripts/checksyscalls.sh
  CC [M]  drivers/net/ipvlan/ipvlan_core.o
  LD [M]  drivers/net/ipvlan/ipvlan.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#7747)
  CC [M]  drivers/net/ipvlan/ipvlan.mod.o
  LD [M]  drivers/net/ipvlan/ipvlan.ko