Using -Oline -j 72 W=1 redirect to /tmp/tmp.fOGrShTkjk and /tmp/tmp.pKOs3Ce4tD
LLVM=1 cc=clang
clang version 20.1.8 (Fedora 20.1.8-3.fc42)
Tree base:
5f790208d68f ("net: phy: fixed_phy: remove two function stubs")
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
  DESCEND objtool
  CALL    ../scripts/checksyscalls.sh
  INSTALL libsubcmd_headers
  UPD     kernel/config_data
  GZIP    kernel/config_data.gz
  CC [M]  drivers/net/mdio/of_mdio.o
  CC [M]  kernel/configs.o
  CC [M]  drivers/net/phy/swphy.o
  CC [M]  drivers/net/dsa/dsa_loop.o
  LD [M]  drivers/net/phy/libphy.o
  CC [M]  drivers/net/ethernet/freescale/fman/mac.o
  CC [M]  net/smc/smc_pnet.o
  CC [M]  net/smc/smc_ib.o
  CC [M]  drivers/net/dsa/bcm_sf2.o
  CC [M]  net/smc/smc_netlink.o
  CC [M]  drivers/net/ethernet/broadcom/genet/bcmmii.o
  CC [M]  net/smc/smc_stats.o
  CC [M]  net/dsa/user.o
  LD [M]  drivers/net/dsa/bcm-sf2.o
  CC [M]  net/smc/smc_sysctl.o
  LD [M]  drivers/net/ethernet/broadcom/genet/genet.o
  CC [M]  net/smc/smc_close.o
  CC [M]  net/smc/smc_inet.o
  CC [M]  net/smc/smc_ism.o
  LD [M]  net/dsa/dsa_core.o
  CC [M]  net/smc/smc_rx.o
  CC [M]  net/smc/smc_loopback.o
  CC [M]  net/smc/smc_cdc.o
  CC [M]  drivers/net/ethernet/hisilicon/hibmcge/hbg_mdio.o
  CC [M]  net/smc/smc_wr.o
  CC [M]  drivers/net/ethernet/broadcom/bgmac.o
  CC [M]  net/smc/smc_tx.o
  LD [M]  drivers/net/ethernet/hisilicon/hibmcge/hibmcge.o
  CC [M]  net/smc/smc_tracepoint.o
  CC [M]  net/smc/smc_diag.o
  CC [M]  drivers/net/ethernet/freescale/fman/fman_memac.o
  CC [M]  drivers/net/ethernet/broadcom/asp2/bcmasp_intf.o
  CC [M]  net/smc/smc_clc.o
  CC [M]  net/smc/smc_llc.o
  LD [M]  drivers/net/ethernet/freescale/fman/fsl_dpaa_mac.o
  CC [M]  drivers/net/phy/fixed_phy.o
  LD [M]  drivers/net/ethernet/broadcom/asp2/bcm-asp.o
  CC [M]  drivers/net/ethernet/broadcom/bcmsysport.o
  CC [M]  drivers/net/phy/phylink.o
  CC [M]  drivers/net/ethernet/freescale/gianfar.o
  CC [M]  net/smc/smc_core.o
  CC [M]  drivers/net/ethernet/microchip/lan743x_main.o
  LD [M]  drivers/net/ethernet/freescale/gianfar_driver.o
  LD [M]  drivers/net/ethernet/microchip/lan743x.o
  AR      drivers/net/ethernet/built-in.a
  AR      drivers/net/built-in.a
  CC [M]  net/smc/af_smc.o
  LD [M]  net/smc/smc.o
  AR      drivers/built-in.a
  GEN     kernel/kheaders_data.tar.xz
  CC [M]  kernel/kheaders.o
  AR      built-in.a
  AR      vmlinux.a
  LD      vmlinux.o
  OBJCOPY modules.builtin.modinfo
  GEN     modules.builtin
  MODPOST Module.symvers
  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]  kernel/configs.ko
  LD [M]  kernel/kheaders.ko
  LD [M]  drivers/net/phy/phylink.ko
  LD [M]  drivers/net/phy/libphy.ko
  LD [M]  drivers/net/phy/fixed_phy.ko
  LD [M]  drivers/net/mdio/of_mdio.ko
  LD [M]  drivers/net/dsa/bcm-sf2.ko
  LD [M]  drivers/net/dsa/dsa_loop.ko
  LD [M]  drivers/net/ethernet/broadcom/genet/genet.ko
  LD [M]  drivers/net/ethernet/broadcom/bgmac.ko
  LD [M]  drivers/net/ethernet/broadcom/bcmsysport.ko
  LD [M]  drivers/net/ethernet/broadcom/asp2/bcm-asp.ko
  LD [M]  drivers/net/ethernet/freescale/gianfar_driver.ko
  LD [M]  drivers/net/ethernet/freescale/fman/fsl_dpaa_mac.ko
  LD [M]  drivers/net/ethernet/hisilicon/hibmcge/hibmcge.ko
  GEN     modules.builtin.ranges
  LD [M]  drivers/net/ethernet/microchip/lan743x.ko
  CC      arch/x86/boot/version.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]  net/dsa/dsa_core.ko
  CC [M]  net/smc/smc_diag.mod.o
  LD [M]  net/smc/smc_diag.ko
  CC [M]  net/smc/smc.mod.o
  LD [M]  net/smc/smc.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  (#5853)
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
  DESCEND objtool
  CALL    ../scripts/checksyscalls.sh
  INSTALL libsubcmd_headers
  CC [M]  net/smc/smc_sysctl.o
  CC [M]  net/smc/smc_inet.o
  CC [M]  net/smc/smc_netlink.o
  CC [M]  net/smc/smc_ism.o
  CC [M]  net/smc/smc_pnet.o
  CC [M]  net/smc/smc_stats.o
  CC [M]  net/smc/smc_tracepoint.o
  CC [M]  net/smc/smc_cdc.o
  CC [M]  net/smc/smc_ib.o
  CC [M]  net/smc/smc_diag.o
  CC [M]  net/smc/smc_wr.o
  CC [M]  net/smc/smc_close.o
  CC [M]  net/smc/smc_loopback.o
  CC [M]  net/smc/smc_rx.o
  CC [M]  net/smc/smc_tx.o
  CC [M]  net/smc/smc_clc.o
  CC [M]  net/smc/smc_llc.o
  CC [M]  net/smc/af_smc.o
  CC [M]  net/smc/smc_core.o
  LD [M]  net/smc/smc.o
  GEN     kernel/kheaders_data.tar.xz
  CC [M]  kernel/kheaders.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#5853)
  LD [M]  kernel/kheaders.ko
  CC [M]  net/smc/smc.mod.o
  LD [M]  net/smc/smc.ko
  CC [M]  net/smc/smc_diag.mod.o
  LD [M]  net/smc/smc_diag.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
  DESCEND objtool
  CALL    ../scripts/checksyscalls.sh
  INSTALL libsubcmd_headers
  CC [M]  net/smc/smc_cdc.o
  CC [M]  net/smc/smc_ib.o
  CC [M]  net/smc/smc_pnet.o
  CC [M]  net/smc/smc_netlink.o
  CC [M]  net/smc/smc_wr.o
  CC [M]  net/smc/smc_inet.o
  CC [M]  net/smc/smc_stats.o
  CC [M]  net/smc/smc_sysctl.o
  CC [M]  net/smc/smc_rx.o
  CC [M]  net/smc/smc_ism.o
  CC [M]  net/smc/smc_clc.o
  CC [M]  net/smc/smc_loopback.o
  CC [M]  net/smc/smc_diag.o
  CC [M]  net/smc/smc_tracepoint.o
  CC [M]  net/smc/smc_tx.o
  CC [M]  net/smc/smc_close.o
  CC [M]  net/smc/smc_llc.o
  CC [M]  net/smc/smc_core.o
  CC [M]  net/smc/af_smc.o
  LD [M]  net/smc/smc.o
  GEN     kernel/kheaders_data.tar.xz
  CC [M]  kernel/kheaders.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#5853)
  LD [M]  kernel/kheaders.ko
  CC [M]  net/smc/smc_diag.mod.o
  CC [M]  net/smc/smc.mod.o
  LD [M]  net/smc/smc_diag.ko
  LD [M]  net/smc/smc.ko