Using -Oline -j 96 W=1 redirect to /tmp/tmp.pH3rnG4IJT and /tmp/tmp.sOK4wBYNfT
LLVM=1 cc="ccache clang"
clang version 21.1.5 (Fedora 21.1.5-1.fc43)
Tree base:
f296b73d17a4 ("ipvlan: fix sparse warning about __be32 -> u32")
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
  INSTALL libsubcmd_headers
  CALL    ../scripts/checksyscalls.sh
  CC [M]  drivers/net/ipvlan/ipvlan_core.o
  LD [M]  drivers/net/ipvlan/ipvlan.o
  CC      net/ethernet/eth.o
  AR      net/ethernet/built-in.a
  AR      net/built-in.a
  CC [M]  drivers/net/wwan/mhi_wwan_mbim.o
  CC [M]  drivers/net/hyperv/netvsc_drv.o
  LD [M]  drivers/net/hyperv/hv_netvsc.o
  CC [M]  drivers/net/ethernet/marvell/mvneta.o
  CC [M]  drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.o
  LD [M]  drivers/net/ethernet/intel/i40e/i40e.o
  CC [M]  drivers/net/ethernet/marvell/mvpp2/mvpp2_main.o
  LD [M]  drivers/net/ethernet/marvell/mvpp2/mvpp2.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
  LD [M]  drivers/net/ethernet/intel/i40e/i40e.ko
  GEN     modules.builtin.modinfo
  GEN     modules.builtin
  CC [M]  drivers/net/ipvlan/ipvlan.mod.o
  CC [M]  drivers/net/ethernet/marvell/mvneta.mod.o
  CC [M]  drivers/net/ethernet/marvell/mvpp2/mvpp2.mod.o
  CC [M]  drivers/net/wwan/mhi_wwan_mbim.mod.o
  CC [M]  drivers/net/hyperv/hv_netvsc.mod.o
  OBJCOPY vmlinux
  GEN     modules.builtin.ranges
  LD [M]  drivers/net/ethernet/marvell/mvneta.ko
  LD [M]  drivers/net/ethernet/marvell/mvpp2/mvpp2.ko
  LD [M]  drivers/net/ipvlan/ipvlan.ko
  LD [M]  drivers/net/wwan/mhi_wwan_mbim.ko
  LD [M]  drivers/net/hyperv/hv_netvsc.ko
  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
  VOFFSET arch/x86/boot/compressed/../voffset.h
  CC      arch/x86/boot/compressed/misc.o
  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  (#313)
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
  INSTALL libsubcmd_headers
  CALL    ../scripts/checksyscalls.sh
  CC [M]  drivers/net/wwan/mhi_wwan_mbim.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#313)
  CC [M]  drivers/net/wwan/mhi_wwan_mbim.mod.o
  LD [M]  drivers/net/wwan/mhi_wwan_mbim.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
  INSTALL libsubcmd_headers
  CALL    ../scripts/checksyscalls.sh
  CC [M]  drivers/net/wwan/mhi_wwan_mbim.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#313)
  CC [M]  drivers/net/wwan/mhi_wwan_mbim.mod.o
  LD [M]  drivers/net/wwan/mhi_wwan_mbim.ko