Using -Oline -j 72 W=1 redirect to /tmp/tmp.WRI6JiRIOS and /tmp/tmp.3gG5fwt3n3
LLVM=1 cc=clang
clang version 19.1.5 (Fedora 19.1.5-1.fc41)
Tree base:
286bb9985f36 ("Merge branch 'igc-deadcoding'")
Baseline building the tree
make[1]: Entering directory '/home/nipa/net-next/wt-0/build_clang'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net-next/wt-0/build_clang'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
mkdir -p /home/nipa/net-next/wt-0/build_clang/tools/objtool && make O=/home/nipa/net-next/wt-0/build_clang subdir=tools/objtool --no-print-directory -C objtool 
  CALL    ../scripts/checksyscalls.sh
  INSTALL libsubcmd_headers
  UPD     kernel/config_data
  CHK     kernel/kheaders_data.tar.xz
  GZIP    kernel/config_data.gz
  CC [M]  kernel/configs.o
  CC [M]  drivers/net/ethernet/intel/igc/igc_mac.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_i225.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/fm10k/fm10k_ethtool.o
  CC [M]  drivers/net/ethernet/intel/igc/igc_leds.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/fm10k/fm10k_debugfs.o
  CC [M]  drivers/net/ethernet/intel/fm10k/fm10k_pf.o
  CC [M]  drivers/net/ethernet/intel/i40e/i40e_diag.o
  CC [M]  drivers/net/ethernet/intel/igb/igb_hwmon.o
  CC [M]  drivers/net/ethernet/intel/igc/igc_dump.o
  CC [M]  drivers/net/ethernet/intel/i40e/i40e_adminq.o
  CC [M]  drivers/net/ethernet/intel/fm10k/fm10k_dcbnl.o
  CC [M]  drivers/net/ethernet/intel/i40e/i40e_nvm.o
  CC [M]  drivers/net/ethernet/intel/igb/e1000_mac.o
  CC [M]  drivers/net/ethernet/intel/fm10k/fm10k_iov.o
  CC [M]  drivers/net/ethernet/intel/igc/igc_ptp.o
  CC [M]  drivers/net/ethernet/intel/i40e/i40e_ddp.o
  CC [M]  drivers/net/ethernet/intel/fm10k/fm10k_netdev.o
  CC [M]  drivers/net/ethernet/intel/igc/igc_ethtool.o
  CC [M]  drivers/net/ethernet/intel/igb/e1000_82575.o
  CC [M]  drivers/net/ethernet/intel/i40e/i40e_common.o
  CC [M]  drivers/net/ethernet/intel/fm10k/fm10k_pci.o
  CC [M]  drivers/net/ethernet/intel/igb/igb_ptp.o
  CC [M]  drivers/net/ethernet/intel/i40e/i40e_dcb.o
  CC [M]  drivers/net/ethernet/intel/i40e/i40e_devlink.o
  CC [M]  drivers/net/ethernet/intel/i40e/i40e_dcb_nl.o
  CC [M]  drivers/net/ethernet/intel/i40e/i40e_xsk.o
  CC [M]  drivers/net/ethernet/intel/igb/igb_ethtool.o
  CC [M]  drivers/net/ethernet/intel/i40e/i40e_ptp.o
  CC [M]  drivers/net/ethernet/intel/fm10k/fm10k_main.o
  CC [M]  drivers/net/ethernet/intel/i40e/i40e_client.o
  LD [M]  drivers/net/ethernet/intel/fm10k/fm10k.o
  CC [M]  drivers/net/ethernet/intel/i40e/i40e_debugfs.o
  CC [M]  drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.o
  LD [M]  drivers/net/ethernet/intel/ixgbevf/ixgbevf.o
  CC [M]  drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.o
  CC [M]  drivers/net/ethernet/intel/i40e/i40e_ethtool.o
  CC [M]  drivers/net/ethernet/intel/i40e/i40e_txrx.o
  CC [M]  drivers/net/ethernet/intel/igc/igc_main.o
  LD [M]  drivers/net/ethernet/intel/igc/igc.o
  CC [M]  drivers/net/ethernet/intel/igb/igb_main.o
  LD [M]  drivers/net/ethernet/intel/igb/igb.o
  CC [M]  drivers/net/ethernet/intel/ixgbe/ixgbe_main.o
  LD [M]  drivers/net/ethernet/intel/ixgbe/ixgbe.o
  CC [M]  drivers/net/ethernet/intel/i40e/i40e_main.o
  LD [M]  drivers/net/ethernet/intel/i40e/i40e.o
  MODPOST Module.symvers
  CC      .vmlinux.export.o
  UPD     include/generated/utsversion.h
  CC      init/version-timestamp.o
  KSYMS   .tmp_vmlinux0.kallsyms.S
  AS      .tmp_vmlinux0.kallsyms.o
  LD      .tmp_vmlinux1
  NM      .tmp_vmlinux1.syms
  KSYMS   .tmp_vmlinux1.kallsyms.S
  AS      .tmp_vmlinux1.kallsyms.o
  LD      .tmp_vmlinux2
  NM      .tmp_vmlinux2.syms
  KSYMS   .tmp_vmlinux2.kallsyms.S
  AS      .tmp_vmlinux2.kallsyms.o
  LD      vmlinux
  NM      System.map
  SORTTAB vmlinux
  RELOCS  arch/x86/boot/compressed/vmlinux.relocs
  RSTRIP  vmlinux
  GEN     modules.builtin.ranges
  CC      arch/x86/boot/version.o
  OBJCOPY arch/x86/boot/compressed/vmlinux.bin
  LD [M]  kernel/configs.ko
  CC      arch/x86/boot/compressed/kaslr.o
  VOFFSET arch/x86/boot/compressed/../voffset.h
  CC      arch/x86/boot/compressed/misc.o
  LD [M]  drivers/net/ethernet/intel/ixgbe/ixgbe.ko
  LD [M]  drivers/net/ethernet/intel/ixgbevf/ixgbevf.ko
  LD [M]  drivers/net/ethernet/intel/fm10k/fm10k.ko
  CC [M]  drivers/net/ethernet/intel/igb/igb.mod.o
  CC [M]  drivers/net/ethernet/intel/igc/igc.mod.o
  CC [M]  drivers/net/ethernet/intel/i40e/i40e.mod.o
  LD [M]  drivers/net/ethernet/intel/igb/igb.ko
  LD [M]  drivers/net/ethernet/intel/igc/igc.ko
  LD [M]  drivers/net/ethernet/intel/i40e/i40e.ko
  GZIP    arch/x86/boot/compressed/vmlinux.bin.gz
  MKPIGGY arch/x86/boot/compressed/piggy.S
  AS      arch/x86/boot/compressed/piggy.o
  LD      arch/x86/boot/compressed/vmlinux
  ZOFFSET arch/x86/boot/zoffset.h
  OBJCOPY arch/x86/boot/vmlinux.bin
  AS      arch/x86/boot/header.o
  LD      arch/x86/boot/setup.elf
  OBJCOPY arch/x86/boot/setup.bin
  BUILD   arch/x86/boot/bzImage
Kernel: arch/x86/boot/bzImage is ready  (#8174)
Building the tree before the patch
make[1]: Entering directory '/home/nipa/net-next/wt-0/build_clang'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net-next/wt-0/build_clang'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
mkdir -p /home/nipa/net-next/wt-0/build_clang/tools/objtool && make O=/home/nipa/net-next/wt-0/build_clang subdir=tools/objtool --no-print-directory -C objtool 
  CALL    ../scripts/checksyscalls.sh
  INSTALL libsubcmd_headers
  CHK     kernel/kheaders_data.tar.xz
  CC [M]  drivers/net/ethernet/intel/igb/igb_hwmon.o
  CC [M]  drivers/net/ethernet/intel/igb/e1000_mac.o
  CC [M]  drivers/net/ethernet/intel/igb/igb_ptp.o
  CC [M]  drivers/net/ethernet/intel/igb/e1000_82575.o
  CC [M]  drivers/net/ethernet/intel/igb/igb_ethtool.o
  CC [M]  drivers/net/ethernet/intel/igb/igb_main.o
  LD [M]  drivers/net/ethernet/intel/igb/igb.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#8174)
  CC [M]  drivers/net/ethernet/intel/igb/igb.mod.o
  LD [M]  drivers/net/ethernet/intel/igb/igb.ko
Building the tree with the patch
make[1]: Entering directory '/home/nipa/net-next/wt-0/build_clang'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net-next/wt-0/build_clang'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
mkdir -p /home/nipa/net-next/wt-0/build_clang/tools/objtool && make O=/home/nipa/net-next/wt-0/build_clang subdir=tools/objtool --no-print-directory -C objtool 
  CALL    ../scripts/checksyscalls.sh
  INSTALL libsubcmd_headers
  CHK     kernel/kheaders_data.tar.xz
  CC [M]  drivers/net/ethernet/intel/igb/igb_hwmon.o
  CC [M]  drivers/net/ethernet/intel/igb/e1000_mac.o
  CC [M]  drivers/net/ethernet/intel/igb/igb_ptp.o
  CC [M]  drivers/net/ethernet/intel/igb/e1000_82575.o
  CC [M]  drivers/net/ethernet/intel/igb/igb_ethtool.o
  CC [M]  drivers/net/ethernet/intel/igb/igb_main.o
  LD [M]  drivers/net/ethernet/intel/igb/igb.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#8174)
  CC [M]  drivers/net/ethernet/intel/igb/igb.mod.o
  LD [M]  drivers/net/ethernet/intel/igb/igb.ko