Using -Oline -j 72 W=1 C=1 redirect to /tmp/tmp.71a5BP3mP1 and /tmp/tmp.a3xyMlE6eS
CC=ccache gcc
gcc (GCC) 13.2.1 20230918 (Red Hat 13.2.1-3)
Tree base:
b6b614558ed5 ("Merge branch 'net-more-factorization-in-cleanup_net-paths'")
Baseline building the tree
make[1]: Entering directory '/home/nipa/net-next/build_32bit'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net-next/build_32bit'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  CALL    ../scripts/checksyscalls.sh
  CC      net/ipv4/fib_frontend.o
  CC [M]  net/ipv6/fib6_rules.o
  CC      net/ipv4/ipmr.o
  CHECK   ../net/ipv4/fib_frontend.c
  CHECK   ../net/ipv6/fib6_rules.c
  CHK     kernel/kheaders_data.tar.xz
  CHECK   ../net/ipv4/ipmr.c
  CC [M]  drivers/net/ethernet/stmicro/stmmac/stmmac_main.o
  AR      net/ipv4/built-in.a
  CHECK   ../drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
  LD [M]  drivers/net/ethernet/stmicro/stmmac/stmmac.o
  CC [M]  net/ipv6/ip6mr.o
  CHECK   ../net/ipv6/ip6mr.c
  LD [M]  net/ipv6/ipv6.o
  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
  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
  NM      .tmp_vmlinux.kallsyms2.syms
  KSYMS   .tmp_vmlinux.kallsyms2.S
  AS      .tmp_vmlinux.kallsyms2.S
  LD      vmlinux
  CC [M]  drivers/net/ethernet/stmicro/stmmac/stmmac.mod.o
  LD [M]  drivers/net/ethernet/stmicro/stmmac/stmmac.ko
  CC [M]  net/ipv6/ipv6.mod.o
  LD [M]  net/ipv6/ipv6.ko
  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
  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  (#35487)
Building the tree before the patch
make[1]: Entering directory '/home/nipa/net-next/build_32bit'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net-next/build_32bit'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  CALL    ../scripts/checksyscalls.sh
  CC [M]  net/ipv6/ip6mr.o
  CHECK   ../net/ipv6/ip6mr.c
  CHK     kernel/kheaders_data.tar.xz
  LD [M]  net/ipv6/ipv6.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#35487)
  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/build_32bit'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net-next/build_32bit'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  CALL    ../scripts/checksyscalls.sh
  CC [M]  net/ipv6/ip6mr.o
  CHECK   ../net/ipv6/ip6mr.c
  CHK     kernel/kheaders_data.tar.xz
  LD [M]  net/ipv6/ipv6.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#35487)
  CC [M]  net/ipv6/ipv6.mod.o
  LD [M]  net/ipv6/ipv6.ko