Using -Oline -j 96 W=1 redirect to /tmp/tmp.FPSGNtiVXb and /tmp/tmp.MZQaqOglKK
LLVM=1 cc="ccache clang"
clang version 21.1.8 (Fedora 21.1.8-4.fc43)
Tree base:
febe8012458f ("ppp: remove pch->chan NULL checks from tx path")
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/ethernet/renesas/rswitch_main.o
  CC [M]  drivers/net/ethernet/renesas/rswitch_l2.o
  LD [M]  drivers/net/ethernet/renesas/rswitch.o
  CC [M]  drivers/net/ppp/ppp_generic.o
  CC [M]  drivers/net/ethernet/mellanox/mlx5/core/en_fs.o
  LD [M]  drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#3489)
  CC [M]  drivers/net/ethernet/renesas/rswitch.mod.o
  CC [M]  drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.mod.o
  CC [M]  drivers/net/ppp/ppp_generic.mod.o
  LD [M]  drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.ko
  LD [M]  drivers/net/ethernet/renesas/rswitch.ko
  LD [M]  drivers/net/ppp/ppp_generic.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]  drivers/net/ethernet/mellanox/mlx5/core/en_fs.o
  LD [M]  drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#3489)
  CC [M]  drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.mod.o
  LD [M]  drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.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]  drivers/net/ethernet/mellanox/mlx5/core/en_fs.o
  LD [M]  drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#3489)
  CC [M]  drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.mod.o
  LD [M]  drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.ko