Using -Oline -j 96 W=1 redirect to /tmp/tmp.X5gEPN58tx and /tmp/tmp.85jaWs4HDx
CC=ccache gcc
gcc (GCC) 15.2.1 20260123 (Red Hat 15.2.1-7)
Tree base:
3ad2381e716e ("can: move ifindex to CAN skb extensions")
Skip baseline build, not the first patch and no Kconfig updates
Building the tree before the patch
make[1]: Entering directory '/srv/nipa-poller/net-next/wt-1/build_32bit'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/srv/nipa-poller/net-next/wt-1/build_32bit'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  CALL    ../scripts/checksyscalls.sh
  LD [M]  net/can/can-gw.o
  CC [M]  drivers/net/can/dev/skb.o
  LD [M]  drivers/net/can/dev/can-dev.o
  CC [M]  net/can/raw.o
  CC [M]  net/can/bcm.o
  CC [M]  net/can/isotp.o
  CC [M]  net/can/j1939/main.o
  CC [M]  net/can/j1939/socket.o
Building the tree with the patch
make[1]: Entering directory '/srv/nipa-poller/net-next/wt-1/build_32bit'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/srv/nipa-poller/net-next/wt-1/build_32bit'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  CALL    ../scripts/checksyscalls.sh
  CC [M]  net/can/raw.o
  CC [M]  net/can/bcm.o
  CC [M]  net/can/j1939/main.o
  CC [M]  net/can/isotp.o
  CC [M]  net/can/j1939/socket.o
  CC [M]  drivers/net/can/dev/skb.o
  LD [M]  drivers/net/can/dev/can-dev.o