Using -Oline -j 96 W=1 redirect to /tmp/tmp.wqThEb7uhv and /tmp/tmp.1M2VdItY4C
LLVM=1 cc="ccache clang"
clang version 21.1.8 (Fedora 21.1.8-4.fc43)
Tree base:
7fbff930271a ("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_clang'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/srv/nipa-poller/net-next/wt-1/build_clang'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  DESCEND objtool
  CALL    ../scripts/checksyscalls.sh
  INSTALL libsubcmd_headers
  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/j1939/main.o
  CC [M]  net/can/bcm.o
  CC [M]  net/can/isotp.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_clang'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/srv/nipa-poller/net-next/wt-1/build_clang'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  DESCEND objtool
  CALL    ../scripts/checksyscalls.sh
  INSTALL libsubcmd_headers
  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