Using -Oline -j 96 W=1 redirect to /tmp/tmp.g26SrkeH3V and /tmp/tmp.GiI5KkevRo
LLVM=1 cc="ccache clang"
clang version 21.1.7 (Fedora 21.1.7-1.fc43)
Tree base:
6402078bd9d1 ("smc91x: fix broken irq-context in PREEMPT_RT")
Baseline building the tree
make[1]: Entering directory '/srv/nipa-poller/net/wt-0/build_clang'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/srv/nipa-poller/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]  drivers/net/ipvlan/ipvlan_core.o
  CC [M]  drivers/net/ipvlan/ipvlan_main.o
  CC [M]  drivers/net/ipvlan/ipvlan_l3s.o
  CC [M]  drivers/net/ipvlan/ipvtap.o
  LD [M]  drivers/net/ipvlan/ipvlan.o
  CC [M]  drivers/net/ethernet/mscc/ocelot.o
  LD [M]  drivers/net/ethernet/mscc/mscc_ocelot_switch_lib.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#252)
  CC [M]  drivers/net/ethernet/mscc/mscc_ocelot_switch_lib.mod.o
  CC [M]  drivers/net/ipvlan/ipvlan.mod.o
  CC [M]  drivers/net/ipvlan/ipvtap.mod.o
  LD [M]  drivers/net/ethernet/mscc/mscc_ocelot_switch_lib.ko
  LD [M]  drivers/net/ipvlan/ipvlan.ko
  LD [M]  drivers/net/ipvlan/ipvtap.ko
Building the tree before the patch
make[1]: Entering directory '/srv/nipa-poller/net/wt-0/build_clang'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/srv/nipa-poller/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]  drivers/net/ethernet/mscc/ocelot.o
  LD [M]  drivers/net/ethernet/mscc/mscc_ocelot_switch_lib.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#252)
  CC [M]  drivers/net/ethernet/mscc/mscc_ocelot_switch_lib.mod.o
  LD [M]  drivers/net/ethernet/mscc/mscc_ocelot_switch_lib.ko
Building the tree with the patch
make[1]: Entering directory '/srv/nipa-poller/net/wt-0/build_clang'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/srv/nipa-poller/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]  drivers/net/ethernet/mscc/ocelot.o
  LD [M]  drivers/net/ethernet/mscc/mscc_ocelot_switch_lib.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#252)
  CC [M]  drivers/net/ethernet/mscc/mscc_ocelot_switch_lib.mod.o
  LD [M]  drivers/net/ethernet/mscc/mscc_ocelot_switch_lib.ko