Using -Oline -j 72 W=1 redirect to /tmp/tmp.xIqFhu2Lgt and /tmp/tmp.vdFhrnCBQ5
LLVM=1 cc=clang
clang version 18.1.8 (Fedora 18.1.8-1.fc40)
Tree base:
fcc79e1714e8 ("Merge tag 'net-next-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next")
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 
  HDRINST usr/include/linux/wireguard.h
  INSTALL libsubcmd_headers
  CALL    ../scripts/checksyscalls.sh
  HDRTEST usr/include/linux/wireguard.h
  CC [M]  drivers/net/wireguard/main.o
  CC [M]  drivers/net/wireguard/peer.o
  CC [M]  drivers/net/wireguard/device.o
  CC [M]  drivers/net/wireguard/timers.o
  CC [M]  drivers/net/wireguard/peerlookup.o
  CC [M]  drivers/net/wireguard/cookie.o
  CC [M]  drivers/net/wireguard/noise.o
  CC [M]  drivers/net/wireguard/allowedips.o
  CC [M]  drivers/net/wireguard/netlink.o
  CC [M]  drivers/net/wireguard/queueing.o
  CC [M]  drivers/net/wireguard/send.o
  CC [M]  drivers/net/wireguard/socket.o
  CC [M]  drivers/net/wireguard/receive.o
  LD [M]  drivers/net/wireguard/wireguard.o
  CC [M]  drivers/net/virtio_net.o
  CHK     kernel/kheaders_data.tar.xz
  GEN     kernel/kheaders_data.tar.xz
  CC [M]  kernel/kheaders.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#7108)
  LD [M]  kernel/kheaders.ko
  CC [M]  drivers/net/wireguard/wireguard.mod.o
  CC [M]  drivers/net/virtio_net.mod.o
  LD [M]  drivers/net/wireguard/wireguard.ko
  LD [M]  drivers/net/virtio_net.ko
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 
  INSTALL libsubcmd_headers
  CALL    ../scripts/checksyscalls.sh
  CHK     kernel/kheaders_data.tar.xz
  CC [M]  drivers/net/virtio_net.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#7108)
  CC [M]  drivers/net/virtio_net.mod.o
  LD [M]  drivers/net/virtio_net.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 
  INSTALL libsubcmd_headers
  CALL    ../scripts/checksyscalls.sh
  CHK     kernel/kheaders_data.tar.xz
  CC [M]  drivers/net/virtio_net.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#7108)
  CC [M]  drivers/net/virtio_net.mod.o
  LD [M]  drivers/net/virtio_net.ko