Using -Oline -j 96 W=1 redirect to /tmp/tmp.2ZsILfe0uK and /tmp/tmp.AFja7Jmyd8
LLVM=1 cc="ccache clang"
clang version 21.1.6 (Fedora 21.1.6-1.fc43)
Tree base:
6bcb7727d9e6 ("Merge branch 'inet-frags-flush-pending-skbs-in-fqdir_pre_exit'")
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
  INSTALL libsubcmd_headers
  CALL    ../scripts/checksyscalls.sh
  CC [M]  drivers/net/ethernet/freescale/enetc/enetc.o
  LD [M]  drivers/net/ethernet/freescale/enetc/fsl-enetc-core.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#150)
  CC [M]  drivers/net/ethernet/freescale/enetc/fsl-enetc-core.mod.o
  LD [M]  drivers/net/ethernet/freescale/enetc/fsl-enetc-core.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
  INSTALL libsubcmd_headers
  CALL    ../scripts/checksyscalls.sh
  CC [M]  drivers/net/ethernet/freescale/enetc/enetc.o
  LD [M]  drivers/net/ethernet/freescale/enetc/fsl-enetc-core.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#150)
  CC [M]  drivers/net/ethernet/freescale/enetc/fsl-enetc-core.mod.o
  LD [M]  drivers/net/ethernet/freescale/enetc/fsl-enetc-core.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
  INSTALL libsubcmd_headers
  CALL    ../scripts/checksyscalls.sh
  CC [M]  drivers/net/ethernet/freescale/enetc/enetc.o
  LD [M]  drivers/net/ethernet/freescale/enetc/fsl-enetc-core.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#150)
  CC [M]  drivers/net/ethernet/freescale/enetc/fsl-enetc-core.mod.o
  LD [M]  drivers/net/ethernet/freescale/enetc/fsl-enetc-core.ko