Using -Oline -j 72 W=1 redirect to /tmp/tmp.tj8v1pwnMy and /tmp/tmp.b5Rd2hDUcJ
LLVM=1 cc=clang
clang version 20.1.7 (Fedora 20.1.7-1.fc42)
Tree base:
5f712c3877f9 ("ipv6: Cleanup fib6_drop_pcpu_from()")
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
  DESCEND objtool
  CALL    ../scripts/checksyscalls.sh
  INSTALL libsubcmd_headers
  CHK     kernel/kheaders_data.tar.xz
  CC [M]  drivers/net/ethernet/airoha/airoha_npu.o
  CC [M]  drivers/net/ethernet/mediatek/mtk_wed_mcu.o
  CC [M]  drivers/net/ipa/ipa_main.o
  LD [M]  drivers/net/ipa/ipa.o
  CC [M]  drivers/net/ethernet/google/gve/gve_rx_dqo.o
  LD [M]  drivers/net/ethernet/google/gve/gve.o
  CC [M]  drivers/net/ethernet/mediatek/mtk_wed.o
  LD [M]  drivers/net/ethernet/mediatek/mtk_eth.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.unstripped
  NM      System.map
  SORTTAB vmlinux.unstripped
  RSTRIP  vmlinux
  LD [M]  drivers/net/ethernet/google/gve/gve.ko
  GEN     modules.builtin.ranges
  CC [M]  drivers/net/ethernet/airoha/airoha_npu.mod.o
  CC      arch/x86/boot/version.o
  CC [M]  drivers/net/ethernet/mediatek/mtk_eth.mod.o
  CC [M]  drivers/net/ipa/ipa.mod.o
  RELOCS  arch/x86/boot/compressed/vmlinux.relocs
  OBJCOPY arch/x86/boot/compressed/vmlinux.bin
  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/airoha/airoha_npu.ko
  LD [M]  drivers/net/ethernet/mediatek/mtk_eth.ko
  LD [M]  drivers/net/ipa/ipa.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  (#3906)
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
  DESCEND objtool
  CALL    ../scripts/checksyscalls.sh
  INSTALL libsubcmd_headers
  CHK     kernel/kheaders_data.tar.xz
  CC [M]  drivers/net/ethernet/airoha/airoha_npu.o
  CC [M]  drivers/net/ethernet/mediatek/mtk_wed_mcu.o
  CC [M]  drivers/net/ipa/ipa_main.o
  LD [M]  drivers/net/ipa/ipa.o
  CC [M]  drivers/net/ethernet/mediatek/mtk_wed.o
  LD [M]  drivers/net/ethernet/mediatek/mtk_eth.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.unstripped
  NM      System.map
  SORTTAB vmlinux.unstripped
  RSTRIP  vmlinux
  GEN     modules.builtin.ranges
  CC      arch/x86/boot/version.o
  CC [M]  drivers/net/ethernet/airoha/airoha_npu.mod.o
  CC [M]  drivers/net/ethernet/mediatek/mtk_eth.mod.o
  CC [M]  drivers/net/ipa/ipa.mod.o
  OBJCOPY arch/x86/boot/compressed/vmlinux.bin
  RELOCS  arch/x86/boot/compressed/vmlinux.relocs
  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/airoha/airoha_npu.ko
  LD [M]  drivers/net/ethernet/mediatek/mtk_eth.ko
  LD [M]  drivers/net/ipa/ipa.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
  AS      arch/x86/boot/header.o
  OBJCOPY arch/x86/boot/vmlinux.bin
  LD      arch/x86/boot/setup.elf
  OBJCOPY arch/x86/boot/setup.bin
  BUILD   arch/x86/boot/bzImage
Kernel: arch/x86/boot/bzImage is ready  (#3907)
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
  DESCEND objtool
  CALL    ../scripts/checksyscalls.sh
  INSTALL libsubcmd_headers
  CHK     kernel/kheaders_data.tar.xz
  CC [M]  drivers/net/ethernet/airoha/airoha_npu.o
  CC [M]  drivers/net/ethernet/mediatek/mtk_wed_mcu.o
  CC [M]  drivers/net/ipa/ipa_main.o
  LD [M]  drivers/net/ipa/ipa.o
  CC [M]  drivers/net/ethernet/mediatek/mtk_wed.o
  LD [M]  drivers/net/ethernet/mediatek/mtk_eth.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.unstripped
  NM      System.map
  SORTTAB vmlinux.unstripped
  RSTRIP  vmlinux
  GEN     modules.builtin.ranges
  CC      arch/x86/boot/version.o
  RELOCS  arch/x86/boot/compressed/vmlinux.relocs
  CC [M]  drivers/net/ethernet/airoha/airoha_npu.mod.o
  OBJCOPY arch/x86/boot/compressed/vmlinux.bin
  CC [M]  drivers/net/ethernet/mediatek/mtk_eth.mod.o
  CC      arch/x86/boot/compressed/kaslr.o
  CC [M]  drivers/net/ipa/ipa.mod.o
  VOFFSET arch/x86/boot/compressed/../voffset.h
  CC      arch/x86/boot/compressed/misc.o
  LD [M]  drivers/net/ethernet/airoha/airoha_npu.ko
  LD [M]  drivers/net/ethernet/mediatek/mtk_eth.ko
  LD [M]  drivers/net/ipa/ipa.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  (#3908)