Using -Oline -j 96 W=1 redirect to /tmp/tmp.jBYjQ73htu and /tmp/tmp.Aln8tD8QUR
LLVM=1 cc="ccache clang"
clang version 21.1.6 (Fedora 21.1.6-1.fc43)
Tree base:
e5235eb6cfe0 ("net: netpoll: initialize work queue before error checks")
Baseline building the tree
make[1]: Entering directory '/srv/nipa-poller/net/wt-0/build_clang'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/srv/nipa-poller/net/wt-0/build_clang'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  DESCEND objtool
  CALL    ../scripts/checksyscalls.sh
  INSTALL libsubcmd_headers
  CC [M]  drivers/net/ethernet/intel/igc/igc_main.o
  CC [M]  drivers/net/ethernet/intel/igc/igc_mac.o
  CC [M]  drivers/net/ethernet/intel/igc/igc_i225.o
  CC [M]  drivers/net/ethernet/intel/igc/igc_base.o
  CC [M]  drivers/net/ethernet/intel/igc/igc_nvm.o
  CC [M]  drivers/net/ethernet/intel/igc/igc_phy.o
  CC [M]  drivers/net/ethernet/intel/igc/igc_diag.o
  CC [M]  drivers/net/ethernet/intel/igc/igc_ethtool.o
  CC [M]  drivers/net/ethernet/intel/igc/igc_ptp.o
  CC [M]  drivers/net/ethernet/intel/igc/igc_dump.o
  CC [M]  drivers/net/ethernet/intel/igc/igc_tsn.o
  CC [M]  drivers/net/ethernet/intel/igc/igc_xdp.o
  CC [M]  drivers/net/ethernet/intel/igc/igc_leds.o
  LD [M]  drivers/net/ethernet/intel/igc/igc.o
  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  (#79)
  CC [M]  drivers/net/ethernet/intel/igc/igc.mod.o
  CC [M]  drivers/net/ipvlan/ipvlan.mod.o
  LD [M]  drivers/net/ethernet/intel/igc/igc.ko
  LD [M]  drivers/net/ipvlan/ipvlan.ko
Building the tree before the patch
make[1]: Entering directory '/srv/nipa-poller/net/wt-0/build_clang'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/srv/nipa-poller/net/wt-0/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  (#79)
  CC [M]  drivers/net/ipvlan/ipvlan.mod.o
  LD [M]  drivers/net/ipvlan/ipvlan.ko
Building the tree with the patch
make[1]: Entering directory '/srv/nipa-poller/net/wt-0/build_clang'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/srv/nipa-poller/net/wt-0/build_clang'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  DESCEND objtool
  CALL    ../scripts/checksyscalls.sh
  INSTALL libsubcmd_headers
  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  (#79)
  CC [M]  drivers/net/ipvlan/ipvlan.mod.o
  LD [M]  drivers/net/ipvlan/ipvlan.ko