Using -Oline -j 72 W=1 C=1 redirect to /tmp/tmp.sNJ7w1PdrE and /tmp/tmp.2eVaUyin6B
CC=ccache gcc
gcc (GCC) 15.1.1 20250521 (Red Hat 15.1.1-2)
Tree base:
2da7541c3b81 ("selftests: can: enable CONFIG_CAN_VCAN as a module")
Skip baseline build, not the first patch and no Kconfig updates
Building the tree before the patch
make[1]: Entering directory '/home/nipa/net/wt-0/build_allmodconfig_warn'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net/wt-0/build_allmodconfig_warn'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  DESCEND objtool
  INSTALL libsubcmd_headers
  CALL    ../scripts/checksyscalls.sh
  CC [M]  net/can/j1939/address-claim.o
  CC [M]  net/can/j1939/bus.o
  CC [M]  net/can/j1939/main.o
  CC [M]  net/can/j1939/socket.o
  CC [M]  net/can/j1939/transport.o
  CHECK   ../net/can/j1939/address-claim.c
  CHECK   ../net/can/j1939/bus.c
  CHECK   ../net/can/j1939/main.c
  CHECK   ../net/can/j1939/transport.c
  CHECK   ../net/can/j1939/socket.c
  LD [M]  net/can/j1939/can-j1939.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#1407)
  LD [M]  net/can/j1939/can-j1939.ko
Building the tree with the patch
make[1]: Entering directory '/home/nipa/net/wt-0/build_allmodconfig_warn'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net/wt-0/build_allmodconfig_warn'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  DESCEND objtool
  INSTALL libsubcmd_headers
  CALL    ../scripts/checksyscalls.sh
  CC [M]  net/can/j1939/address-claim.o
  CHECK   ../net/can/j1939/address-claim.c
  CC [M]  net/can/j1939/main.o
  CC [M]  net/can/j1939/bus.o
  CHECK   ../net/can/j1939/main.c
  CHECK   ../net/can/j1939/bus.c
  CC [M]  net/can/j1939/socket.o
  CHECK   ../net/can/j1939/socket.c
  CC [M]  net/can/j1939/transport.o
  CHECK   ../net/can/j1939/transport.c
  LD [M]  net/can/j1939/can-j1939.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#1407)
  CC [M]  net/can/j1939/can-j1939.mod.o
  LD [M]  net/can/j1939/can-j1939.ko