Using -Oline -j 96 W=1 redirect to /tmp/tmp.uVGo1yg9PP and /tmp/tmp.1FjYnK7Zrg
LLVM=1 cc="ccache clang"
clang version 21.1.8 (Fedora 21.1.8-4.fc43)
Tree base:
36bd7d5deef9 ("net: wan/fsl_ucc_hdlc: Fix dma_free_coherent() in uhdlc_memclean()")
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/wan/fsl_ucc_hdlc.o
  CC [M]  drivers/net/caif/caif_serial.o
  CC      net/ipv4/icmp.o
  CC [M]  drivers/net/ethernet/microchip/sparx5/sparx5_main.o
  AR      net/ipv4/built-in.a
  CC [M]  drivers/net/ethernet/microchip/sparx5/sparx5_tc.o
  CC [M]  drivers/net/ethernet/microchip/sparx5/sparx5_qos.o
  AR      net/built-in.a
  LD [M]  drivers/net/ethernet/microchip/sparx5/sparx5-switch.o
  CC [M]  drivers/net/ethernet/marvell/skge.o
  CC [M]  net/bridge/br_multicast.o
  LD [M]  net/bridge/bridge.o
  AR      built-in.a
  AR      vmlinux.a
  LD      vmlinux.o
  MODPOST Module.symvers
  UPD     include/generated/utsversion.h
  CC      init/version-timestamp.o
  KSYMS   .tmp_vmlinux0.kallsyms.S
  AS      .tmp_vmlinux0.kallsyms.o
  LD      .tmp_vmlinux1
  NM      .tmp_vmlinux1.syms
  KSYMS   .tmp_vmlinux1.kallsyms.S
  AS      .tmp_vmlinux1.kallsyms.o
  LD      .tmp_vmlinux2
  NM      .tmp_vmlinux2.syms
  KSYMS   .tmp_vmlinux2.kallsyms.S
  AS      .tmp_vmlinux2.kallsyms.o
  LD      vmlinux.unstripped
  NM      System.map
  SORTTAB vmlinux.unstripped
  GEN     modules.builtin.modinfo
  GEN     modules.builtin
  CC [M]  drivers/net/ethernet/microchip/sparx5/sparx5-switch.mod.o
  CC [M]  drivers/net/wan/fsl_ucc_hdlc.mod.o
  CC [M]  drivers/net/caif/caif_serial.mod.o
  CC [M]  drivers/net/ethernet/marvell/skge.mod.o
  OBJCOPY vmlinux
  GEN     modules.builtin.ranges
  CC      arch/x86/boot/version.o
  OBJCOPY arch/x86/boot/compressed/vmlinux.bin
  RELOCS  arch/x86/boot/compressed/vmlinux.relocs
  CC      arch/x86/boot/compressed/kaslr.o
  LD [M]  drivers/net/ethernet/marvell/skge.ko
  LD [M]  drivers/net/ethernet/microchip/sparx5/sparx5-switch.ko
  LD [M]  drivers/net/wan/fsl_ucc_hdlc.ko
  LD [M]  drivers/net/caif/caif_serial.ko
  VOFFSET arch/x86/boot/compressed/../voffset.h
  CC      arch/x86/boot/compressed/misc.o
  CC [M]  net/bridge/bridge.mod.o
  LD [M]  net/bridge/bridge.ko
  GZIP    arch/x86/boot/compressed/vmlinux.bin.gz
  MKPIGGY arch/x86/boot/compressed/piggy.S
  AS      arch/x86/boot/compressed/piggy.o
  LD      arch/x86/boot/compressed/vmlinux
  ZOFFSET arch/x86/boot/zoffset.h
  OBJCOPY arch/x86/boot/vmlinux.bin
  AS      arch/x86/boot/header.o
  LD      arch/x86/boot/setup.elf
  OBJCOPY arch/x86/boot/setup.bin
  BUILD   arch/x86/boot/bzImage
Kernel: arch/x86/boot/bzImage is ready  (#583)
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]  net/bridge/br_multicast.o
  LD [M]  net/bridge/bridge.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#583)
  CC [M]  net/bridge/bridge.mod.o
  LD [M]  net/bridge/bridge.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]  net/bridge/br_multicast.o
  LD [M]  net/bridge/bridge.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#583)
  CC [M]  net/bridge/bridge.mod.o
  LD [M]  net/bridge/bridge.ko