Using -Oline -j 72 W=1 redirect to /tmp/tmp.LI5Uq3qJOF and /tmp/tmp.jYOvVM5NVP
LLVM=1 cc=clang
clang version 18.1.6 (Fedora 18.1.6-3.fc40)
Tree base:
ff09bc366fc4 ("Merge branch 'sparx5-fdma-part-one'")
Baseline building the tree
make[1]: Entering directory '/home/nipa/net-next/wt-1/build_clang'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net-next/wt-1/build_clang'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
mkdir -p /home/nipa/net-next/wt-1/build_clang/tools/objtool && make O=/home/nipa/net-next/wt-1/build_clang subdir=tools/objtool --no-print-directory -C objtool 
  INSTALL libsubcmd_headers
  CALL    ../scripts/checksyscalls.sh
  UPD     kernel/config_data
  GZIP    kernel/config_data.gz
  CHK     kernel/kheaders_data.tar.xz
  CC      net/ipv4/ip_input.o
  CC [M]  kernel/configs.o
  CC      net/netfilter/core.o
  CC [M]  net/ipv6/ip6_input.o
  CC      drivers/net/ethernet/microchip/fdma/fdma_api.o
  AR      net/ipv4/built-in.a
  CC [M]  drivers/net/ethernet/microchip/sparx5/sparx5_vcap_ag_api.o
  CC [M]  drivers/net/ethernet/ti/icssg/icss_iep.o
  CC [M]  drivers/net/ethernet/microchip/sparx5/sparx5_netdev.o
  AR      drivers/net/ethernet/microchip/fdma/built-in.a
  AR      drivers/net/ethernet/microchip/built-in.a
  CC [M]  drivers/net/ethernet/microchip/sparx5/sparx5_police.o
  AR      net/netfilter/built-in.a
  CC [M]  drivers/net/ethernet/microchip/sparx5/sparx5_pool.o
  CC [M]  drivers/net/ethernet/microchip/sparx5/sparx5_mirror.o
  CC [M]  drivers/net/ethernet/microchip/sparx5/sparx5_phylink.o
  CC [M]  drivers/net/ethernet/microchip/sparx5/sparx5_qos.o
  CC [M]  drivers/net/ethernet/microchip/sparx5/sparx5_psfp.o
  CC [M]  drivers/net/ethernet/microchip/sparx5/sparx5_sdlb.o
  CC [M]  drivers/net/ethernet/microchip/sparx5/sparx5_pgid.o
  CC [M]  drivers/net/ethernet/microchip/sparx5/sparx5_dcb.o
  CC [M]  drivers/net/ethernet/microchip/sparx5/sparx5_fdma.o
  CC [M]  drivers/net/ethernet/microchip/sparx5/sparx5_tc.o
  CC [M]  drivers/net/ethernet/microchip/sparx5/sparx5_switchdev.o
  CC [M]  drivers/net/ethernet/microchip/sparx5/sparx5_ethtool.o
  CC [M]  drivers/net/ethernet/microchip/sparx5/sparx5_packet.o
  CC [M]  drivers/net/ethernet/microchip/sparx5/sparx5_vcap_debugfs.o
  CC [M]  drivers/net/ethernet/microchip/sparx5/sparx5_vlan.o
  CC [M]  drivers/net/ethernet/microchip/sparx5/sparx5_mactable.o
  CC [M]  drivers/net/ethernet/microchip/sparx5/sparx5_ptp.o
  LD [M]  net/ipv6/ipv6.o
  CC [M]  drivers/net/ethernet/microchip/sparx5/sparx5_calendar.o
  CC [M]  drivers/net/ethernet/microchip/sparx5/sparx5_main.o
  CC [M]  drivers/net/ethernet/microchip/sparx5/sparx5_tc_matchall.o
  CC [M]  drivers/net/ethernet/microchip/sparx5/sparx5_port.o
  CC [M]  net/tipc/socket.o
  CC [M]  drivers/net/ethernet/microchip/sparx5/sparx5_vcap_impl.o
  CC [M]  drivers/net/ethernet/microchip/sparx5/sparx5_tc_flower.o
  LD [M]  drivers/net/ethernet/microchip/sparx5/sparx5-switch.o
  AR      drivers/net/ethernet/built-in.a
  AR      drivers/net/built-in.a
  LD [M]  net/tipc/tipc.o
  CC      net/core/dev.o
  AR      drivers/built-in.a
  AR      net/core/built-in.a
  AR      net/built-in.a
  AR      built-in.a
  AR      vmlinux.a
  LD      vmlinux.o
  OBJCOPY modules.builtin.modinfo
  GEN     modules.builtin
  GEN     .vmlinux.objs
  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
  CC      arch/x86/boot/version.o
  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]  kernel/configs.ko
  CC [M]  drivers/net/ethernet/microchip/sparx5/sparx5-switch.mod.o
  CC [M]  drivers/net/ethernet/ti/icssg/icss_iep.mod.o
  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  (#5270)
  LD [M]  drivers/net/ethernet/microchip/sparx5/sparx5-switch.ko
  LD [M]  drivers/net/ethernet/ti/icssg/icss_iep.ko
  CC [M]  net/ipv6/ipv6.mod.o
  LD [M]  net/ipv6/ipv6.ko
  CC [M]  net/tipc/tipc.mod.o
  LD [M]  net/tipc/tipc.ko
Building the tree before the patch
make[1]: Entering directory '/home/nipa/net-next/wt-1/build_clang'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net-next/wt-1/build_clang'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
mkdir -p /home/nipa/net-next/wt-1/build_clang/tools/objtool && make O=/home/nipa/net-next/wt-1/build_clang subdir=tools/objtool --no-print-directory -C objtool 
  INSTALL libsubcmd_headers
  CALL    ../scripts/checksyscalls.sh
  CHK     kernel/kheaders_data.tar.xz
  CC [M]  drivers/net/ethernet/ti/icssg/icss_iep.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#5270)
  CC [M]  drivers/net/ethernet/ti/icssg/icss_iep.mod.o
  LD [M]  drivers/net/ethernet/ti/icssg/icss_iep.ko
Building the tree with the patch
make[1]: Entering directory '/home/nipa/net-next/wt-1/build_clang'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net-next/wt-1/build_clang'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
mkdir -p /home/nipa/net-next/wt-1/build_clang/tools/objtool && make O=/home/nipa/net-next/wt-1/build_clang subdir=tools/objtool --no-print-directory -C objtool 
  INSTALL libsubcmd_headers
  CALL    ../scripts/checksyscalls.sh
  CHK     kernel/kheaders_data.tar.xz
  CC [M]  drivers/net/ethernet/ti/icssg/icss_iep.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#5270)
  CC [M]  drivers/net/ethernet/ti/icssg/icss_iep.mod.o
  LD [M]  drivers/net/ethernet/ti/icssg/icss_iep.ko