Using -Oline -j 72 W=1 redirect to /tmp/tmp.lLP5Iot9E1 and /tmp/tmp.t7YxIqTFj8
LLVM=1 cc=clang
clang version 20.1.3 (Fedora 20.1.3-1.fc42)
Tree base:
4cde0e4224ce ("net: cpsw: isolate cpsw_ndo_ioctl() to just the old driver")
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
  INSTALL libsubcmd_headers
  CALL    ../scripts/checksyscalls.sh
  UPD     kernel/config_data
  CHK     kernel/kheaders_data.tar.xz
  GZIP    kernel/config_data.gz
  CC      net/netfilter/nf_bpf_link.o
  CC [M]  kernel/configs.o
  AR      net/netfilter/built-in.a
  AR      net/built-in.a
  CC [M]  drivers/net/ethernet/realtek/r8169_leds.o
  CC [M]  drivers/net/ethernet/aquantia/atlantic/aq_main.o
  CC [M]  drivers/net/ethernet/ti/cpsw_switchdev.o
  CC [M]  drivers/net/ethernet/ti/cpsw_ethtool.o
  CC [M]  drivers/net/ethernet/aquantia/atlantic/aq_nic.o
  CC [M]  drivers/net/ethernet/chelsio/inline_crypto/ch_ktls/chcr_ktls.o
  LD [M]  drivers/net/ethernet/aquantia/atlantic/atlantic.o
  CC [M]  drivers/net/ethernet/realtek/r8169_phy_config.o
  LD [M]  drivers/net/ethernet/chelsio/inline_crypto/ch_ktls/ch_ktls.o
  CC [M]  drivers/net/ethernet/ti/cpsw.o
  CC [M]  drivers/net/ethernet/ti/cpsw_priv.o
  LD [M]  drivers/net/ethernet/ti/ti_cpsw.o
  CC [M]  drivers/net/ethernet/ti/cpsw_new.o
  LD [M]  drivers/net/ethernet/ti/ti_cpsw_new.o
  CC [M]  net/openvswitch/flow_netlink.o
  LD [M]  net/openvswitch/openvswitch.o
  CC [M]  drivers/net/ethernet/chelsio/cxgb4/sge.o
  LD [M]  drivers/net/ethernet/chelsio/cxgb4/cxgb4.o
  CC [M]  drivers/net/ethernet/realtek/r8169_main.o
  LD [M]  drivers/net/ethernet/realtek/r8169.o
  CC [M]  drivers/net/ethernet/stmicro/stmmac/stmmac_main.o
  LD [M]  drivers/net/ethernet/stmicro/stmmac/stmmac.o
  CC [M]  drivers/net/ethernet/broadcom/tg3.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
  GEN     modules.builtin.ranges
  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
  LD [M]  kernel/configs.ko
  CC      arch/x86/boot/compressed/misc.o
  CC [M]  drivers/net/ethernet/chelsio/cxgb4/cxgb4.mod.o
  CC [M]  drivers/net/ethernet/aquantia/atlantic/atlantic.mod.o
  CC [M]  drivers/net/ethernet/broadcom/tg3.mod.o
  CC [M]  drivers/net/ethernet/realtek/r8169.mod.o
  CC [M]  drivers/net/ethernet/ti/ti_cpsw.mod.o
  CC [M]  drivers/net/ethernet/ti/ti_cpsw_new.mod.o
  CC [M]  drivers/net/ethernet/stmicro/stmmac/stmmac.mod.o
  CC [M]  drivers/net/ethernet/chelsio/inline_crypto/ch_ktls/ch_ktls.mod.o
  LD [M]  drivers/net/ethernet/aquantia/atlantic/atlantic.ko
  LD [M]  drivers/net/ethernet/broadcom/tg3.ko
  LD [M]  drivers/net/ethernet/chelsio/inline_crypto/ch_ktls/ch_ktls.ko
  LD [M]  drivers/net/ethernet/chelsio/cxgb4/cxgb4.ko
  LD [M]  drivers/net/ethernet/realtek/r8169.ko
  LD [M]  drivers/net/ethernet/stmicro/stmmac/stmmac.ko
  LD [M]  drivers/net/ethernet/ti/ti_cpsw.ko
  LD [M]  drivers/net/ethernet/ti/ti_cpsw_new.ko
  CC [M]  net/openvswitch/openvswitch.mod.o
  LD [M]  net/openvswitch/openvswitch.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  (#2181)
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/realtek/r8169_leds.o
  CC [M]  drivers/net/ethernet/realtek/r8169_phy_config.o
  CC [M]  drivers/net/ethernet/realtek/r8169_main.o
  LD [M]  drivers/net/ethernet/realtek/r8169.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#2181)
  CC [M]  drivers/net/ethernet/realtek/r8169.mod.o
  LD [M]  drivers/net/ethernet/realtek/r8169.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
  DESCEND objtool
  INSTALL libsubcmd_headers
  CALL    ../scripts/checksyscalls.sh
  CHK     kernel/kheaders_data.tar.xz
  CC [M]  drivers/net/ethernet/realtek/r8169_leds.o
  CC [M]  drivers/net/ethernet/realtek/r8169_phy_config.o
  CC [M]  drivers/net/ethernet/realtek/r8169_main.o
  LD [M]  drivers/net/ethernet/realtek/r8169.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#2181)
  CC [M]  drivers/net/ethernet/realtek/r8169.mod.o
  LD [M]  drivers/net/ethernet/realtek/r8169.ko