Using -Oline -j 96 W=1 redirect to /tmp/tmp.eOvRTBZbBf and /tmp/tmp.Ug5b3y9fUC
LLVM=1 cc="ccache clang"
clang version 21.1.8 (Fedora 21.1.8-4.fc43)
Tree base:
d1e59a469737 ("tcp: add cwnd_event_tx_start to tcp_congestion_ops")
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      net/ipv6/ip6_offload.o
  CC      net/ipv4/af_inet.o
  AR      net/ipv6/built-in.a
  CC [M]  drivers/net/dsa/microchip/ksz_common.o
  CC [M]  drivers/net/dsa/microchip/ksz_dcb.o
  CC [M]  drivers/net/dsa/microchip/ksz9477.o
  CC [M]  drivers/net/dsa/microchip/ksz9477_acl.o
  CC [M]  drivers/net/dsa/microchip/ksz9477_tc_flower.o
  AR      net/ipv4/built-in.a
  CC [M]  drivers/net/dsa/microchip/ksz8.o
  CC [M]  drivers/net/dsa/microchip/lan937x_main.o
  CC [M]  drivers/net/dsa/microchip/ksz_ptp.o
  CC [M]  drivers/net/dsa/microchip/ksz9477_i2c.o
  CC [M]  drivers/net/dsa/microchip/ksz_spi.o
  CC [M]  drivers/net/dsa/microchip/ksz8863_smi.o
  LD [M]  drivers/net/dsa/microchip/ksz_switch.o
  AR      net/built-in.a
  CC [M]  drivers/net/ppp/pppoe.o
  AR      built-in.a
  AR      vmlinux.a
  LD      vmlinux.o
  MODPOST Module.symvers
  CC      .vmlinux.export.o
  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
  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/dsa/microchip/ksz_switch.ko
  LD [M]  drivers/net/dsa/microchip/ksz9477_i2c.ko
  LD [M]  drivers/net/dsa/microchip/ksz_spi.ko
  LD [M]  drivers/net/dsa/microchip/ksz8863_smi.ko
  VOFFSET arch/x86/boot/compressed/../voffset.h
  CC      arch/x86/boot/compressed/misc.o
  CC [M]  drivers/net/ppp/pppoe.mod.o
  LD [M]  drivers/net/ppp/pppoe.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
  AS      arch/x86/boot/header.o
  OBJCOPY arch/x86/boot/vmlinux.bin
  LD      arch/x86/boot/setup.elf
  OBJCOPY arch/x86/boot/setup.bin
  BUILD   arch/x86/boot/bzImage
Kernel: arch/x86/boot/bzImage is ready  (#3871)
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
Kernel: arch/x86/boot/bzImage is ready  (#3871)
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
Kernel: arch/x86/boot/bzImage is ready  (#3871)