Using -Oline -j 72 W=1 redirect to /tmp/tmp.MUMKutP5it and /tmp/tmp.6hyABuLGg2
LLVM=1 cc=clang
clang version 18.1.8 (Fedora 18.1.8-1.fc40)
Tree base:
26a2bebd2c0c ("Merge branch '100GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue")
Baseline building the tree
make[1]: Entering directory '/home/nipa/net/wt-0/build_clang'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net/wt-0/build_clang'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
mkdir -p /home/nipa/net/wt-0/build_clang/tools/objtool && make O=/home/nipa/net/wt-0/build_clang subdir=tools/objtool --no-print-directory -C objtool 
  INSTALL libsubcmd_headers
  CALL    ../scripts/checksyscalls.sh
  CC [M]  net/sched/cls_u32.o
  CC [M]  net/rxrpc/call_accept.o
  CC [M]  net/rxrpc/call_state.o
  CC [M]  net/rxrpc/call_event.o
  CC [M]  net/rxrpc/call_object.o
  CC [M]  net/rxrpc/conn_service.o
  CC [M]  net/rxrpc/insecure.o
  CC [M]  net/rxrpc/conn_object.o
  CC [M]  net/rxrpc/local_event.o
  CC [M]  net/rxrpc/conn_event.o
  CC [M]  net/rxrpc/conn_client.o
  CC [M]  net/rxrpc/rtt.o
  CC [M]  net/rxrpc/io_thread.o
  CC [M]  net/rxrpc/misc.o
  CC [M]  net/rxrpc/net_ns.o
  CC [M]  net/rxrpc/key.o
  CC [M]  net/rxrpc/utils.o
  CC [M]  net/rxrpc/local_object.o
  CC [M]  net/rxrpc/server_key.o
  CC [M]  net/rxrpc/output.o
  CC [M]  net/rxrpc/security.o
  CC [M]  net/rxrpc/peer_object.o
  CC [M]  net/rxrpc/skbuff.o
  CC [M]  net/rxrpc/rxperf.o
  CC [M]  net/rxrpc/sendmsg.o
  CC [M]  net/rxrpc/recvmsg.o
  CC [M]  net/rxrpc/proc.o
  CC [M]  net/rxrpc/sysctl.o
  CC [M]  net/rxrpc/input.o
  CC [M]  net/rxrpc/peer_event.o
  CC [M]  net/rxrpc/txbuf.o
  CC [M]  net/rxrpc/rxkad.o
  CC [M]  fs/afs/cmservice.o
  CC [M]  net/rxrpc/af_rxrpc.o
  CC [M]  fs/afs/rxrpc.o
  LD [M]  net/rxrpc/rxrpc.o
  LD [M]  fs/afs/kafs.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  (#1259)
  LD [M]  kernel/kheaders.ko
  LD [M]  fs/afs/kafs.ko
  LD [M]  net/rxrpc/rxperf.ko
  CC [M]  net/sched/cls_u32.mod.o
  LD [M]  net/sched/cls_u32.ko
  CC [M]  net/rxrpc/rxrpc.mod.o
  LD [M]  net/rxrpc/rxrpc.ko
Building the tree before the patch
make[1]: Entering directory '/home/nipa/net/wt-0/build_clang'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net/wt-0/build_clang'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
mkdir -p /home/nipa/net/wt-0/build_clang/tools/objtool && make O=/home/nipa/net/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]  net/sched/cls_u32.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#1259)
  CC [M]  net/sched/cls_u32.mod.o
  LD [M]  net/sched/cls_u32.ko
Building the tree with the patch
make[1]: Entering directory '/home/nipa/net/wt-0/build_clang'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net/wt-0/build_clang'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
mkdir -p /home/nipa/net/wt-0/build_clang/tools/objtool && make O=/home/nipa/net/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]  net/sched/cls_u32.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#1259)
  CC [M]  net/sched/cls_u32.mod.o
  LD [M]  net/sched/cls_u32.ko