Using -Oline -j 72 W=1 C=1 redirect to /tmp/tmp.zKoOzsD6iM and /tmp/tmp.cGXlMTIq4y
CC=ccache gcc
gcc (GCC) 14.1.1 20240507 (Red Hat 14.1.1-1)
Tree base:
c53a46b16ce2 ("net: smc91x: Remove commented out code")
Baseline building the tree
make[1]: Entering directory '/home/nipa/net-next/wt-0/build_32bit'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net-next/wt-0/build_32bit'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  CALL    ../scripts/checksyscalls.sh
  CC [M]  drivers/net/phy/mediatek-ge.o
  CC [M]  drivers/net/phy/mediatek-ge-soc.o
  UPD     kernel/config_data
  CHK     kernel/kheaders_data.tar.xz
  CHECK   ../drivers/net/phy/mediatek-ge.c
  GZIP    kernel/config_data.gz
  CHECK   ../drivers/net/phy/mediatek-ge-soc.c
  AR      drivers/net/phy/built-in.a
  CC [M]  kernel/configs.o
  CHECK   ../kernel/configs.c
  AR      drivers/net/built-in.a
  CC [M]  net/ipv6/seg6_local.o
  CHECK   ../net/ipv6/seg6_local.c
  LD [M]  net/ipv6/ipv6.o
  AR      drivers/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
  UPD     include/generated/utsversion.h
  CC      init/version-timestamp.o
  CHECK   ../init/version-timestamp.c
  LD      .tmp_vmlinux.kallsyms1
  NM      .tmp_vmlinux.kallsyms1.syms
  KSYMS   .tmp_vmlinux.kallsyms1.S
  AS      .tmp_vmlinux.kallsyms1.S
  LD      .tmp_vmlinux.kallsyms2
  LD [M]  kernel/configs.ko
  CC [M]  drivers/net/phy/mediatek-ge.mod.o
  CC [M]  drivers/net/phy/mediatek-ge-soc.mod.o
  LD [M]  drivers/net/phy/mediatek-ge.ko
  LD [M]  drivers/net/phy/mediatek-ge-soc.ko
  NM      .tmp_vmlinux.kallsyms2.syms
  CC [M]  net/ipv6/ipv6.mod.o
  LD [M]  net/ipv6/ipv6.ko
  KSYMS   .tmp_vmlinux.kallsyms2.S
  AS      .tmp_vmlinux.kallsyms2.S
  LD      .tmp_vmlinux.kallsyms3
  NM      .tmp_vmlinux.kallsyms3.syms
  KSYMS   .tmp_vmlinux.kallsyms3.S
  AS      .tmp_vmlinux.kallsyms3.S
  LD      vmlinux
  NM      System.map
  SORTTAB vmlinux
  RELOCS  arch/x86/boot/compressed/vmlinux.relocs
  RSTRIP  vmlinux
  CC      arch/x86/boot/version.o
  CHECK   ../arch/x86/boot/version.c
  OBJCOPY arch/x86/boot/compressed/vmlinux.bin
  VOFFSET arch/x86/boot/compressed/../voffset.h
  CC      arch/x86/boot/compressed/misc.o
  CHECK   ../arch/x86/boot/compressed/misc.c
  CC      arch/x86/boot/compressed/kaslr.o
  CHECK   ../arch/x86/boot/compressed/kaslr.c
  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  (#2310)
Building the tree before the patch
make[1]: Entering directory '/home/nipa/net-next/wt-0/build_32bit'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net-next/wt-0/build_32bit'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  CALL    ../scripts/checksyscalls.sh
  CC [M]  net/ipv6/seg6_local.o
  CHECK   ../net/ipv6/seg6_local.c
  CHK     kernel/kheaders_data.tar.xz
  LD [M]  net/ipv6/ipv6.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#2310)
  CC [M]  net/ipv6/ipv6.mod.o
  LD [M]  net/ipv6/ipv6.ko
Building the tree with the patch
make[1]: Entering directory '/home/nipa/net-next/wt-0/build_32bit'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net-next/wt-0/build_32bit'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  CALL    ../scripts/checksyscalls.sh
  CC [M]  net/ipv6/seg6_local.o
  CHECK   ../net/ipv6/seg6_local.c
  LD [M]  net/ipv6/ipv6.o
  CHK     kernel/kheaders_data.tar.xz
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#2310)
  CC [M]  net/ipv6/ipv6.mod.o
  LD [M]  net/ipv6/ipv6.ko