Using -Oline -j 72 W=1 redirect to /tmp/tmp.4dkXBN3STg and /tmp/tmp.GPwJ7YTih8
LLVM=1 cc=clang
clang version 18.1.6 (Fedora 18.1.6-3.fc40)
Tree base:
ecb1e1dcb7b5 ("Merge branch 'introduce-en7581-ethernet-support'")
Baseline building the tree
make[1]: Entering directory '/home/nipa/net-next/wt-1/build_clang'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net-next/wt-1/build_clang'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
mkdir -p /home/nipa/net-next/wt-1/build_clang/tools/objtool && make O=/home/nipa/net-next/wt-1/build_clang subdir=tools/objtool --no-print-directory -C objtool 
  INSTALL libsubcmd_headers
  CALL    ../scripts/checksyscalls.sh
  CC [M]  net/llc/llc_s_st.o
  CC [M]  net/llc/llc_station.o
  CC [M]  net/llc/llc_sap.o
  LD [M]  net/llc/llc2.o
  CC [M]  net/core/pktgen.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  (#3741)
  LD [M]  kernel/kheaders.ko
  CC [M]  net/core/pktgen.mod.o
  LD [M]  net/core/pktgen.ko
  CC [M]  net/llc/llc2.mod.o
  LD [M]  net/llc/llc2.ko
Building the tree before the patch
make[1]: Entering directory '/home/nipa/net-next/wt-1/build_clang'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net-next/wt-1/build_clang'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
mkdir -p /home/nipa/net-next/wt-1/build_clang/tools/objtool && make O=/home/nipa/net-next/wt-1/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/core/pktgen.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#3741)
  CC [M]  net/core/pktgen.mod.o
  LD [M]  net/core/pktgen.ko
Building the tree with the patch
make[1]: Entering directory '/home/nipa/net-next/wt-1/build_clang'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net-next/wt-1/build_clang'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
mkdir -p /home/nipa/net-next/wt-1/build_clang/tools/objtool && make O=/home/nipa/net-next/wt-1/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/core/pktgen.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#3741)
  CC [M]  net/core/pktgen.mod.o
  LD [M]  net/core/pktgen.ko