Using -Oline -j 72 W=1 redirect to /tmp/tmp.kFBvRdGPmb and /tmp/tmp.aImD2FmS56
LLVM=1 cc=clang
clang version 20.1.8 (Fedora 20.1.8-1.fc42)
Tree base:
1dbf1d590d10 ("net: Add locking to protect skb->dev access in ip_output")
Baseline building the tree
make[1]: Entering directory '/home/nipa/net/wt-0/build_clang'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net/wt-0/build_clang'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  DESCEND objtool
  INSTALL libsubcmd_headers
  CALL    ../scripts/checksyscalls.sh
  CHK     kernel/kheaders_data.tar.xz
  CC [M]  drivers/net/dsa/microchip/ksz8.o
  CC [M]  drivers/net/dsa/microchip/ksz_common.o
  CC [M]  drivers/net/ethernet/meta/fbnic/fbnic_netdev.o
  LD [M]  drivers/net/dsa/microchip/ksz_switch.o
  LD [M]  drivers/net/ethernet/meta/fbnic/fbnic.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#1171)
  CC [M]  drivers/net/dsa/microchip/ksz_switch.mod.o
  CC [M]  drivers/net/ethernet/meta/fbnic/fbnic.mod.o
  LD [M]  drivers/net/dsa/microchip/ksz_switch.ko
  LD [M]  drivers/net/ethernet/meta/fbnic/fbnic.ko
Building the tree before the patch
make[1]: Entering directory '/home/nipa/net/wt-0/build_clang'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net/wt-0/build_clang'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  DESCEND objtool
  INSTALL libsubcmd_headers
  CALL    ../scripts/checksyscalls.sh
  CHK     kernel/kheaders_data.tar.xz
  CC [M]  drivers/net/ethernet/meta/fbnic/fbnic_netdev.o
  LD [M]  drivers/net/ethernet/meta/fbnic/fbnic.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#1171)
  CC [M]  drivers/net/ethernet/meta/fbnic/fbnic.mod.o
  LD [M]  drivers/net/ethernet/meta/fbnic/fbnic.ko
Building the tree with the patch
make[1]: Entering directory '/home/nipa/net/wt-0/build_clang'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net/wt-0/build_clang'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  DESCEND objtool
  INSTALL libsubcmd_headers
  CALL    ../scripts/checksyscalls.sh
  CHK     kernel/kheaders_data.tar.xz
  CC [M]  drivers/net/ethernet/meta/fbnic/fbnic_netdev.o
  LD [M]  drivers/net/ethernet/meta/fbnic/fbnic.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#1171)
  CC [M]  drivers/net/ethernet/meta/fbnic/fbnic.mod.o
  LD [M]  drivers/net/ethernet/meta/fbnic/fbnic.ko