Using -Oline -j 72 W=1 redirect to /tmp/tmp.FgdYalABh8 and /tmp/tmp.dY1Ndghiyb
CC=ccache gcc
gcc (GCC) 15.2.1 20250808 (Red Hat 15.2.1-1)
Tree base:
07fdad3a9375 ("Merge tag 'net-next-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next")
Baseline building the tree
make[1]: Entering directory '/home/nipa/net-next/wt-0/build_32bit'
  GEN     Makefile
  HOSTCC  scripts/basic/fixdep
#
# 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
  HOSTCC  scripts/basic/fixdep
  CALL    ../scripts/checksyscalls.sh
  CC [M]  drivers/net/wireguard/allowedips.o
  LD [M]  drivers/net/wireguard/wireguard.o
  CC [M]  net/ipv6/route.o
  LD [M]  net/ipv6/ipv6.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#6878)
  CC [M]  drivers/net/wireguard/wireguard.mod.o
  LD [M]  drivers/net/wireguard/wireguard.ko
  CC [M]  net/ipv6/ipv6.mod.o
  LD [M]  net/ipv6/ipv6.ko
Building the tree before the patch
make[1]: Entering directory '/home/nipa/net-next/wt-0/build_32bit'
  GEN     Makefile
  HOSTCC  scripts/basic/fixdep
#
# 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
  HOSTCC  scripts/basic/fixdep
  CALL    ../scripts/checksyscalls.sh
  CC [M]  net/ipv6/route.o
  LD [M]  net/ipv6/ipv6.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#6878)
  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
  HOSTCC  scripts/basic/fixdep
#
# 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
  HOSTCC  scripts/basic/fixdep
  CALL    ../scripts/checksyscalls.sh
  CC [M]  net/ipv6/route.o
  LD [M]  net/ipv6/ipv6.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#6878)
  CC [M]  net/ipv6/ipv6.mod.o
  LD [M]  net/ipv6/ipv6.ko