Using -Oline -j 72 W=1 redirect to /tmp/tmp.wPttl8vmAx and /tmp/tmp.SJi3affYSu
LLVM=1 cc=clang
clang version 18.1.6 (Fedora 18.1.6-3.fc40)
Tree base:
525034e2e2ee ("net: mdiobus: Debug print fwnode handle instead of raw pointer")
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 
  INSTALL libsubcmd_headers
  CALL    ../scripts/checksyscalls.sh
  CHK     kernel/kheaders_data.tar.xz
  CC [M]  net/ipv6/rpl_iptunnel.o
  LD [M]  net/ipv6/ipv6.o
  CC [M]  drivers/net/ethernet/ti/cpsw_switchdev.o
  CC [M]  drivers/net/ethernet/ti/cpsw_ethtool.o
  CC [M]  drivers/net/ethernet/ti/cpsw_ale.o
  CC [M]  drivers/net/ethernet/ti/cpsw.o
  CC [M]  drivers/net/ethernet/ti/cpsw_priv.o
  CC [M]  drivers/net/ethernet/ti/cpsw_new.o
  LD [M]  drivers/net/ethernet/ti/ti_cpsw.o
  LD [M]  drivers/net/ethernet/ti/ti_cpsw_new.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#5025)
  CC [M]  drivers/net/ethernet/ti/ti_cpsw.mod.o
  CC [M]  drivers/net/ethernet/ti/ti_cpsw_new.mod.o
  LD [M]  drivers/net/ethernet/ti/ti_cpsw.ko
  LD [M]  drivers/net/ethernet/ti/ti_cpsw_new.ko
  CC [M]  net/ipv6/ipv6.mod.o
  LD [M]  net/ipv6/ipv6.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]  net/ipv6/rpl_iptunnel.o
  LD [M]  net/ipv6/ipv6.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#5025)
  CC [M]  net/ipv6/ipv6.mod.o
  LD [M]  net/ipv6/ipv6.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]  net/ipv6/rpl_iptunnel.o
  LD [M]  net/ipv6/ipv6.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#5025)
  CC [M]  net/ipv6/ipv6.mod.o
  LD [M]  net/ipv6/ipv6.ko