Using -Oline -j 96 W=1 redirect to /tmp/tmp.6sjeGdzb8X and /tmp/tmp.QZAAFcrINZ
LLVM=1 cc="ccache clang"
clang version 21.1.6 (Fedora 21.1.6-1.fc43)
Tree base:
4de44542991e ("Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net")
Baseline building the tree
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]  net/netfilter/nft_set_hash.o
  LD [M]  net/netfilter/nf_tables.o
  CC [M]  net/l2tp/l2tp_core.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#571)
  CC [M]  net/netfilter/nf_tables.mod.o
  LD [M]  net/netfilter/nf_tables.ko
  CC [M]  net/ipv6/ipv6.mod.o
  LD [M]  net/ipv6/ipv6.ko
  CC [M]  net/l2tp/l2tp_core.mod.o
  LD [M]  net/l2tp/l2tp_core.ko
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
  CC [M]  net/l2tp/l2tp_core.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#571)
  CC [M]  net/ipv6/ipv6.mod.o
  LD [M]  net/ipv6/ipv6.ko
  CC [M]  net/l2tp/l2tp_core.mod.o
  LD [M]  net/l2tp/l2tp_core.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]  net/l2tp/l2tp_core.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#571)
  CC [M]  net/ipv6/ipv6.mod.o
  CC [M]  net/l2tp/l2tp_core.mod.o
  LD [M]  net/ipv6/ipv6.ko
  LD [M]  net/l2tp/l2tp_core.ko