Using -Oline -j 96 W=1 redirect to /tmp/tmp.aom6V399I4 and /tmp/tmp.58YV7TGVA6
LLVM=1 cc="ccache clang"
clang version 21.1.8 (Fedora 21.1.8-4.fc43)
Tree base:
0314e382cf02 ("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-0/build_clang'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/srv/nipa-poller/net-next/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/usb/r8153_ecm.o
  CC [M]  drivers/net/usb/r8152.o
  CC [M]  net/rds/tcp.o
  LD [M]  net/rds/rds_tcp.o
  GEN     kernel/kheaders_data.tar.xz
  CC [M]  kernel/kheaders.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#2636)
  LD [M]  kernel/kheaders.ko
  LD [M]  drivers/net/usb/r8153_ecm.ko
  CC [M]  drivers/net/usb/r8152.mod.o
  LD [M]  drivers/net/usb/r8152.ko
  CC [M]  net/rds/rds_tcp.mod.o
  LD [M]  net/rds/rds_tcp.ko
Building the tree before the patch
make[1]: Entering directory '/srv/nipa-poller/net-next/wt-0/build_clang'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/srv/nipa-poller/net-next/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/rds/tcp.o
  LD [M]  net/rds/rds_tcp.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#2636)
  CC [M]  net/rds/rds_tcp.mod.o
  LD [M]  net/rds/rds_tcp.ko
Building the tree with the patch
make[1]: Entering directory '/srv/nipa-poller/net-next/wt-0/build_clang'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/srv/nipa-poller/net-next/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/rds/tcp.o
  LD [M]  net/rds/rds_tcp.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#2636)
  CC [M]  net/rds/rds_tcp.mod.o
  LD [M]  net/rds/rds_tcp.ko