Using -Oline -j 72 W=1 redirect to /tmp/tmp.HkanpwGjiF and /tmp/tmp.RhlJOgIwBo
LLVM=1 cc="ccache clang"
clang version 20.1.8 (Fedora 20.1.8-4.fc42)
Tree base:
7e975caa0f7b ("net: stmmac: improve ndev->max_mtu setup readability")
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
  CC [M]  drivers/net/phy/mscc/mscc_main.o
  CC [M]  drivers/net/phy/mscc/mscc_serdes.o
  CC [M]  drivers/net/phy/mscc/mscc_ptp.o
  CC [M]  drivers/net/phy/mscc/mscc_macsec.o
  LD [M]  drivers/net/phy/mscc/mscc.o
  CC [M]  drivers/net/ethernet/meta/fbnic/fbnic_irq.o
  CC [M]  drivers/net/ethernet/meta/fbnic/fbnic_time.o
  CC [M]  drivers/net/ethernet/meta/fbnic/fbnic_pci.o
  CC [M]  drivers/net/ethernet/meta/fbnic/fbnic_phylink.o
  CC [M]  drivers/net/ethernet/meta/fbnic/fbnic_netdev.o
  CC [M]  drivers/net/ethernet/meta/fbnic/fbnic_rpc.o
  CC [M]  drivers/net/ethernet/meta/fbnic/fbnic_ethtool.o
  CC [M]  drivers/net/ethernet/meta/fbnic/fbnic_mac.o
  CC [M]  drivers/net/ethernet/realtek/r8169_main.o
  LD [M]  drivers/net/ethernet/realtek/r8169.o
  CC      net/core/skbuff.o
  CC [M]  drivers/net/ethernet/meta/fbnic/fbnic_txrx.o
  AR      net/core/built-in.a
  AR      net/built-in.a
  LD [M]  drivers/net/ethernet/meta/fbnic/fbnic.o
  CC [M]  drivers/net/ethernet/stmicro/stmmac/stmmac_main.o
  LD [M]  drivers/net/ethernet/stmicro/stmmac/stmmac.o
  AR      built-in.a
  AR      vmlinux.a
  LD      vmlinux.o
  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
  CC [M]  drivers/net/phy/mscc/mscc.mod.o
  OBJCOPY modules.builtin.modinfo
  GEN     modules.builtin
  CC [M]  drivers/net/ethernet/meta/fbnic/fbnic.mod.o
  CC [M]  drivers/net/ethernet/realtek/r8169.mod.o
  CC [M]  drivers/net/ethernet/stmicro/stmmac/stmmac.mod.o
  OBJCOPY vmlinux
  GEN     modules.builtin.ranges
  CC      arch/x86/boot/version.o
  LD [M]  drivers/net/phy/mscc/mscc.ko
  LD [M]  drivers/net/ethernet/meta/fbnic/fbnic.ko
  LD [M]  drivers/net/ethernet/realtek/r8169.ko
  LD [M]  drivers/net/ethernet/stmicro/stmmac/stmmac.ko
  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
  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  (#7586)
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]  drivers/net/ethernet/meta/fbnic/fbnic_ethtool.o
  CC [M]  drivers/net/ethernet/meta/fbnic/fbnic_irq.o
  CC [M]  drivers/net/ethernet/meta/fbnic/fbnic_mac.o
  CC [M]  drivers/net/ethernet/meta/fbnic/fbnic_netdev.o
  CC [M]  drivers/net/ethernet/meta/fbnic/fbnic_pci.o
  CC [M]  drivers/net/ethernet/meta/fbnic/fbnic_phylink.o
  CC [M]  drivers/net/ethernet/meta/fbnic/fbnic_rpc.o
  CC [M]  drivers/net/ethernet/meta/fbnic/fbnic_time.o
  CC [M]  drivers/net/ethernet/meta/fbnic/fbnic_txrx.o
  LD [M]  drivers/net/ethernet/meta/fbnic/fbnic.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#7586)
  CC [M]  drivers/net/ethernet/meta/fbnic/fbnic.mod.o
  LD [M]  drivers/net/ethernet/meta/fbnic/fbnic.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]  drivers/net/ethernet/meta/fbnic/fbnic_ethtool.o
  CC [M]  drivers/net/ethernet/meta/fbnic/fbnic_irq.o
  CC [M]  drivers/net/ethernet/meta/fbnic/fbnic_mac.o
  CC [M]  drivers/net/ethernet/meta/fbnic/fbnic_netdev.o
  CC [M]  drivers/net/ethernet/meta/fbnic/fbnic_pci.o
  CC [M]  drivers/net/ethernet/meta/fbnic/fbnic_phylink.o
  CC [M]  drivers/net/ethernet/meta/fbnic/fbnic_rpc.o
  CC [M]  drivers/net/ethernet/meta/fbnic/fbnic_time.o
  CC [M]  drivers/net/ethernet/meta/fbnic/fbnic_txrx.o
  LD [M]  drivers/net/ethernet/meta/fbnic/fbnic.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#7586)
  CC [M]  drivers/net/ethernet/meta/fbnic/fbnic.mod.o
  LD [M]  drivers/net/ethernet/meta/fbnic/fbnic.ko