Using -Oline -j 72 W=1 redirect to /tmp/tmp.8brcKE2n32 and /tmp/tmp.NabIhvGlgQ
LLVM=1 cc=clang
clang version 20.1.8 (Fedora 20.1.8-3.fc42)
Tree base:
71cc7fc3d0d4 ("can: j1939: implement NETDEV_UNREGISTER notification handler")
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_clang'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net/wt-0/build_clang'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  DESCEND objtool
  INSTALL libsubcmd_headers
  CALL    ../scripts/checksyscalls.sh
  CC [M]  net/can/j1939/socket.o
  LD [M]  net/can/j1939/can-j1939.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#1421)
  LD [M]  net/can/j1939/can-j1939.ko
Building the tree with the patch
make[1]: Entering directory '/home/nipa/net/wt-0/build_clang'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net/wt-0/build_clang'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  DESCEND objtool
  CALL    ../scripts/checksyscalls.sh
  INSTALL libsubcmd_headers
  CC [M]  net/can/j1939/socket.o
  LD [M]  net/can/j1939/can-j1939.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#1421)
  CC [M]  net/can/j1939/can-j1939.mod.o
  LD [M]  net/can/j1939/can-j1939.ko