Using -Oline -j 72 W=1 redirect to /tmp/tmp.sJ5zmCaOCe and /tmp/tmp.5UFDrjVsOZ
LLVM=1 cc=clang
clang version 17.0.1 (Fedora 17.0.1-1.fc39)
Tree base:
dfe7f12788f5 ("Merge branch 'net-ipv6-addrconf-ensure-that-temporary-addresses-preferred-lifetimes-are-long-enough'")
Baseline building the tree
make[1]: Entering directory '/home/nipa/net-next/build_clang'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net-next/build_clang'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
mkdir -p /home/nipa/net-next/build_clang/tools/objtool && make O=/home/nipa/net-next/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/mdio/mdio-hisi-femac.o
  CC [M]  drivers/net/ethernet/hisilicon/hisi_femac.o
  CC [M]  net/mac80211/mesh_pathtbl.o
  LD [M]  net/mac80211/mac80211.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#34949)
  LD [M]  drivers/net/mdio/mdio-hisi-femac.ko
  CC [M]  drivers/net/ethernet/hisilicon/hisi_femac.mod.o
  LD [M]  drivers/net/ethernet/hisilicon/hisi_femac.ko
  CC [M]  net/mac80211/mac80211.mod.o
  LD [M]  net/mac80211/mac80211.ko
Building the tree before the patch
make[1]: Entering directory '/home/nipa/net-next/build_clang'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net-next/build_clang'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
mkdir -p /home/nipa/net-next/build_clang/tools/objtool && make O=/home/nipa/net-next/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/ethernet/hisilicon/hisi_femac.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#34949)
  CC [M]  drivers/net/ethernet/hisilicon/hisi_femac.mod.o
  LD [M]  drivers/net/ethernet/hisilicon/hisi_femac.ko
Building the tree with the patch
make[1]: Entering directory '/home/nipa/net-next/build_clang'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net-next/build_clang'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
mkdir -p /home/nipa/net-next/build_clang/tools/objtool && make O=/home/nipa/net-next/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/ethernet/hisilicon/hisi_femac.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#34949)
  CC [M]  drivers/net/ethernet/hisilicon/hisi_femac.mod.o
  LD [M]  drivers/net/ethernet/hisilicon/hisi_femac.ko
Output lengths: 1006 /tmp/tmp.5UFDrjVsOZ 1006 /tmp/tmp.sJ5zmCaOCe