Using -Oline -j 72 W=1 redirect to /tmp/tmp.RRvIeuKEvq and /tmp/tmp.YaE4u7cgCY
CC=ccache gcc
gcc (GCC) 15.2.1 20250808 (Red Hat 15.2.1-1)
Tree base:
ab431bc39741 ("Merge tag 'net-6.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net")
Baseline building the tree
make[1]: Entering directory '/home/nipa/net/wt-0/build_32bit'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net/wt-0/build_32bit'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  CALL    ../scripts/checksyscalls.sh
  CC [M]  net/sctp/diag.o
  LD [M]  net/sctp/sctp_diag.o
  CC [M]  drivers/net/phy/dp83869.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#1751)
  CC [M]  drivers/net/phy/dp83869.mod.o
  CC [M]  net/sctp/sctp_diag.mod.o
  LD [M]  drivers/net/phy/dp83869.ko
  LD [M]  net/sctp/sctp_diag.ko
Building the tree before the patch
make[1]: Entering directory '/home/nipa/net/wt-0/build_32bit'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net/wt-0/build_32bit'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  CALL    ../scripts/checksyscalls.sh
  CC [M]  drivers/net/phy/dp83869.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#1751)
  CC [M]  drivers/net/phy/dp83869.mod.o
  LD [M]  drivers/net/phy/dp83869.ko
Building the tree with the patch
make[1]: Entering directory '/home/nipa/net/wt-0/build_32bit'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net/wt-0/build_32bit'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  CALL    ../scripts/checksyscalls.sh
  CC [M]  drivers/net/phy/dp83869.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#1751)
  CC [M]  drivers/net/phy/dp83869.mod.o
  LD [M]  drivers/net/phy/dp83869.ko