Using -Oline -j 96 W=1 redirect to /tmp/tmp.hOOjygsoyP and /tmp/tmp.HaxeeHKeQn
CC=ccache gcc
gcc (GCC) 15.2.1 20260123 (Red Hat 15.2.1-7)
Tree base:
51f4e090b9f8 ("net: stmmac: fix integer underflow in chain mode")
Baseline building the tree
make[1]: Entering directory '/srv/nipa-poller/net/wt-0/build_32bit'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/srv/nipa-poller/net/wt-0/build_32bit'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  CALL    ../scripts/checksyscalls.sh
  CC [M]  drivers/net/ethernet/airoha/airoha_eth.o
  LD [M]  drivers/net/ethernet/airoha/airoha-eth.o
  CC [M]  net/sched/cls_fw.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#1407)
  CC [M]  drivers/net/ethernet/airoha/airoha-eth.mod.o
  LD [M]  drivers/net/ethernet/airoha/airoha-eth.ko
  CC [M]  net/sched/cls_fw.mod.o
  LD [M]  net/sched/cls_fw.ko
Building the tree before the patch
make[1]: Entering directory '/srv/nipa-poller/net/wt-0/build_32bit'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/srv/nipa-poller/net/wt-0/build_32bit'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  CALL    ../scripts/checksyscalls.sh
  CC [M]  net/sched/cls_fw.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#1407)
  CC [M]  net/sched/cls_fw.mod.o
  LD [M]  net/sched/cls_fw.ko
Building the tree with the patch
make[1]: Entering directory '/srv/nipa-poller/net/wt-0/build_32bit'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/srv/nipa-poller/net/wt-0/build_32bit'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  CALL    ../scripts/checksyscalls.sh
  CC [M]  net/sched/cls_fw.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#1407)
  CC [M]  net/sched/cls_fw.mod.o
  LD [M]  net/sched/cls_fw.ko