Using -Oline -j 96 W=1 redirect to /tmp/tmp.ca7GPIHcCc and /tmp/tmp.T76A8i6K2p
LLVM=1 cc="ccache clang"
clang version 21.1.5 (Fedora 21.1.5-1.fc43)
Tree base:
0cf1ae0f3b32 ("ptp: ocp: Make ptp_ocp_unregister_ext() NULL-aware")
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
  INSTALL libsubcmd_headers
  CALL    ../scripts/checksyscalls.sh
  CC [M]  drivers/ptp/ptp_ocp.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#358)
  LD [M]  drivers/ptp/ptp_ocp.ko
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]  drivers/ptp/ptp_ocp.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#358)
  CC [M]  drivers/ptp/ptp_ocp.mod.o
  LD [M]  drivers/ptp/ptp_ocp.ko