Using -Oline -j 72 W=1 redirect to /tmp/tmp.pF2KgjKduW and /tmp/tmp.n4dw6BROQI
LLVM=1 cc=clang
clang version 18.1.8 (Fedora 18.1.8-1.fc40)
Tree base:
2c27c7663390 ("Merge branch 'devmem-tcp-fixes'")
Baseline building the tree
make[1]: Entering directory '/home/nipa/net-next/wt-0/build_clang'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net-next/wt-0/build_clang'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
mkdir -p /home/nipa/net-next/wt-0/build_clang/tools/objtool && make O=/home/nipa/net-next/wt-0/build_clang subdir=tools/objtool --no-print-directory -C objtool 
  CALL    ../scripts/checksyscalls.sh
  INSTALL libsubcmd_headers
  CHK     kernel/kheaders_data.tar.xz
  CC      net/mptcp/crypto.o
  CC      net/mptcp/ctrl.o
  CC      net/mptcp/diag.o
  CC [M]  drivers/net/ethernet/broadcom/bgmac-platform.o
  CC      net/mptcp/token.o
  CC      net/mptcp/pm.o
  CC      net/mptcp/fastopen.o
  CC      net/mptcp/pm_userspace.o
  CC      net/mptcp/options.o
  CC      net/mptcp/syncookies.o
  CC      net/mptcp/sockopt.o
  CC      net/mptcp/sched.o
  CC [M]  net/mptcp/mptcp_diag.o
  CC      net/mptcp/bpf.o
  CC [M]  net/mptcp/crypto_test.o
  LD [M]  net/mptcp/mptcp_crypto_test.o
  CC      net/mptcp/subflow.o
  CC [M]  net/mptcp/token_test.o
  CC      net/mptcp/pm_netlink.o
  LD [M]  net/mptcp/mptcp_token_test.o
  CC      net/mptcp/protocol.o
  AR      net/mptcp/built-in.a
  AR      net/built-in.a
  AR      built-in.a
  AR      vmlinux.a
  LD      vmlinux.o
  OBJCOPY modules.builtin.modinfo
  GEN     modules.builtin
  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
  NM      System.map
  SORTTAB vmlinux
  RELOCS  arch/x86/boot/compressed/vmlinux.relocs
  RSTRIP  vmlinux
  GEN     modules.builtin.ranges
  CC      arch/x86/boot/version.o
  OBJCOPY arch/x86/boot/compressed/vmlinux.bin
  CC      arch/x86/boot/compressed/kaslr.o
  VOFFSET arch/x86/boot/compressed/../voffset.h
  CC      arch/x86/boot/compressed/misc.o
  CC [M]  drivers/net/ethernet/broadcom/bgmac-platform.mod.o
  LD [M]  drivers/net/ethernet/broadcom/bgmac-platform.ko
  CC [M]  net/mptcp/mptcp_diag.mod.o
  CC [M]  net/mptcp/mptcp_crypto_test.mod.o
  CC [M]  net/mptcp/mptcp_token_test.mod.o
  LD [M]  net/mptcp/mptcp_diag.ko
  LD [M]  net/mptcp/mptcp_crypto_test.ko
  LD [M]  net/mptcp/mptcp_token_test.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  (#7720)
Building the tree before the patch
make[1]: Entering directory '/home/nipa/net-next/wt-0/build_clang'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net-next/wt-0/build_clang'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
mkdir -p /home/nipa/net-next/wt-0/build_clang/tools/objtool && make O=/home/nipa/net-next/wt-0/build_clang subdir=tools/objtool --no-print-directory -C objtool 
  CALL    ../scripts/checksyscalls.sh
  INSTALL libsubcmd_headers
  CHK     kernel/kheaders_data.tar.xz
  CC [M]  drivers/net/ethernet/broadcom/bgmac-platform.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#7720)
  CC [M]  drivers/net/ethernet/broadcom/bgmac-platform.mod.o
  LD [M]  drivers/net/ethernet/broadcom/bgmac-platform.ko
Building the tree with the patch
make[1]: Entering directory '/home/nipa/net-next/wt-0/build_clang'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net-next/wt-0/build_clang'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
mkdir -p /home/nipa/net-next/wt-0/build_clang/tools/objtool && make O=/home/nipa/net-next/wt-0/build_clang subdir=tools/objtool --no-print-directory -C objtool 
  CALL    ../scripts/checksyscalls.sh
  INSTALL libsubcmd_headers
  CHK     kernel/kheaders_data.tar.xz
  CC [M]  drivers/net/ethernet/broadcom/bgmac-platform.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#7720)
  CC [M]  drivers/net/ethernet/broadcom/bgmac-platform.mod.o
  LD [M]  drivers/net/ethernet/broadcom/bgmac-platform.ko