Using -Oline -j 72 W=1 redirect to /tmp/tmp.WtABNxj40L and /tmp/tmp.plNaozNt4J
LLVM=1 cc="ccache clang"
clang version 20.1.8 (Fedora 20.1.8-4.fc42)
Tree base:
f170b1dc2653 ("Merge branch '200GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue")
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
  CALL    ../scripts/checksyscalls.sh
  INSTALL libsubcmd_headers
  CC [M]  drivers/net/ethernet/aquantia/atlantic/aq_main.o
  CC [M]  drivers/net/ethernet/aquantia/atlantic/aq_nic.o
  CC [M]  drivers/net/ethernet/aquantia/atlantic/aq_ring.o
  CC [M]  drivers/net/ethernet/aquantia/atlantic/aq_hw_utils.o
  CC [M]  drivers/net/ethernet/aquantia/atlantic/aq_phy.o
  CC [M]  drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_a0.o
  CC [M]  drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.o
  CC [M]  drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.o
  CC [M]  drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils_fw2x.o
  CC [M]  drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.o
  CC [M]  drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2.o
  CC [M]  drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2_utils.o
  CC [M]  drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2_utils_fw.o
  CC [M]  drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2_llh.o
  CC [M]  drivers/net/ethernet/aquantia/atlantic/macsec/macsec_api.o
  CC [M]  drivers/net/ethernet/aquantia/atlantic/aq_ptp.o
  LD [M]  drivers/net/ethernet/aquantia/atlantic/atlantic.o
  CC [M]  drivers/net/ethernet/intel/igc/igc_ethtool.o
  CC [M]  drivers/net/ethernet/intel/igc/igc_main.o
  LD [M]  drivers/net/ethernet/intel/igc/igc.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#1992)
  CC [M]  drivers/net/ethernet/aquantia/atlantic/atlantic.mod.o
  CC [M]  drivers/net/ethernet/intel/igc/igc.mod.o
  LD [M]  drivers/net/ethernet/aquantia/atlantic/atlantic.ko
  LD [M]  drivers/net/ethernet/intel/igc/igc.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
  CALL    ../scripts/checksyscalls.sh
  INSTALL libsubcmd_headers
  CC [M]  drivers/net/ethernet/intel/igc/igc_ethtool.o
  CC [M]  drivers/net/ethernet/intel/igc/igc_main.o
  LD [M]  drivers/net/ethernet/intel/igc/igc.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#1992)
  CC [M]  drivers/net/ethernet/intel/igc/igc.mod.o
  LD [M]  drivers/net/ethernet/intel/igc/igc.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
  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_ethtool.o
  LD [M]  drivers/net/ethernet/intel/igc/igc.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#1992)
  CC [M]  drivers/net/ethernet/intel/igc/igc.mod.o
  LD [M]  drivers/net/ethernet/intel/igc/igc.ko