Using -Oline -j 72 W=1 redirect to /tmp/tmp.weIX5gw24C and /tmp/tmp.O1bMaiiZj8
LLVM=1 cc=clang
clang version 18.1.6 (Fedora 18.1.6-3.fc40)
Tree base:
2c14119ab8f3 ("Merge tag 'linux-can-next-for-6.12-20240806' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can-next")
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 
  HDRINST usr/include/linux/smc.h
  INSTALL libsubcmd_headers
  CALL    ../scripts/checksyscalls.sh
  HDRTEST usr/include/linux/smc.h
  CC [M]  net/l2tp/l2tp_eth.o
  CC [M]  net/l2tp/l2tp_netlink.o
  CC [M]  net/l2tp/l2tp_ip.o
  CC [M]  net/l2tp/l2tp_debugfs.o
  CC [M]  net/l2tp/l2tp_ppp.o
  CC [M]  net/l2tp/l2tp_ip6.o
  CC [M]  net/smc/smc_pnet.o
  CC [M]  net/smc/smc_ib.o
  CC [M]  net/smc/smc_wr.o
  CC [M]  net/smc/smc_cdc.o
  CC [M]  net/smc/smc_sysctl.o
  CC [M]  net/smc/smc_ism.o
  CC [M]  net/smc/smc_rx.o
  CC [M]  net/smc/smc_clc.o
  CC [M]  net/smc/smc_stats.o
  CC [M]  net/smc/smc_netlink.o
  CC [M]  net/smc/smc_diag.o
  CC [M]  net/smc/smc_tracepoint.o
  CC [M]  net/smc/smc_close.o
  CC [M]  net/l2tp/l2tp_core.o
  CC [M]  net/smc/smc_tx.o
  CC [M]  net/smc/smc_loopback.o
  CC [M]  net/smc/smc_llc.o
  CC [M]  net/smc/smc_core.o
  CC [M]  net/smc/af_smc.o
  LD [M]  net/smc/smc.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  (#4171)
  LD [M]  kernel/kheaders.ko
  CC [M]  net/l2tp/l2tp_core.mod.o
  LD [M]  net/l2tp/l2tp_core.ko
  CC [M]  net/l2tp/l2tp_ip.mod.o
  CC [M]  net/l2tp/l2tp_netlink.mod.o
  CC [M]  net/l2tp/l2tp_ppp.mod.o
  CC [M]  net/l2tp/l2tp_eth.mod.o
  LD [M]  net/l2tp/l2tp_ip.ko
  CC [M]  net/l2tp/l2tp_debugfs.mod.o
  LD [M]  net/l2tp/l2tp_netlink.ko
  LD [M]  net/l2tp/l2tp_eth.ko
  CC [M]  net/l2tp/l2tp_ip6.mod.o
  LD [M]  net/l2tp/l2tp_debugfs.ko
  LD [M]  net/l2tp/l2tp_ppp.ko
  CC [M]  net/smc/smc.mod.o
  LD [M]  net/l2tp/l2tp_ip6.ko
  CC [M]  net/smc/smc_diag.mod.o
  LD [M]  net/smc/smc.ko
  LD [M]  net/smc/smc_diag.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 
  HDRINST usr/include/linux/smc.h
  INSTALL libsubcmd_headers
  CALL    ../scripts/checksyscalls.sh
  HDRTEST usr/include/linux/smc.h
  CC [M]  net/smc/smc_stats.o
  CC [M]  net/smc/smc_sysctl.o
  CC [M]  net/smc/smc_ism.o
  CC [M]  net/smc/smc_netlink.o
  CC [M]  net/smc/smc_pnet.o
  CC [M]  net/smc/smc_cdc.o
  CC [M]  net/smc/smc_tracepoint.o
  CC [M]  net/smc/smc_diag.o
  CC [M]  net/smc/smc_ib.o
  CC [M]  net/smc/smc_wr.o
  CC [M]  net/smc/smc_loopback.o
  CC [M]  net/smc/smc_close.o
  CC [M]  net/smc/smc_clc.o
  CC [M]  net/smc/smc_tx.o
  CC [M]  net/smc/smc_rx.o
  CC [M]  net/smc/smc_llc.o
  CC [M]  net/smc/af_smc.o
  CC [M]  net/smc/smc_core.o
  LD [M]  net/smc/smc.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  (#4171)
  LD [M]  kernel/kheaders.ko
  CC [M]  net/smc/smc.mod.o
  CC [M]  net/smc/smc_diag.mod.o
  LD [M]  net/smc/smc.ko
  LD [M]  net/smc/smc_diag.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 
  HDRINST usr/include/linux/smc.h
  INSTALL libsubcmd_headers
  CALL    ../scripts/checksyscalls.sh
  HDRTEST usr/include/linux/smc.h
  CC [M]  net/smc/smc_pnet.o
  CC [M]  net/smc/smc_wr.o
  CC [M]  net/smc/smc_netlink.o
  CC [M]  net/smc/smc_cdc.o
  CC [M]  net/smc/smc_ib.o
  CC [M]  net/smc/smc_sysctl.o
  CC [M]  net/smc/smc_ism.o
  CC [M]  net/smc/smc_stats.o
  CC [M]  net/smc/smc_close.o
  CC [M]  net/smc/smc_tracepoint.o
  CC [M]  net/smc/smc_diag.o
  CC [M]  net/smc/smc_rx.o
  CC [M]  net/smc/smc_loopback.o
  CC [M]  net/smc/smc_clc.o
  CC [M]  net/smc/smc_tx.o
  CC [M]  net/smc/smc_llc.o
  CC [M]  net/smc/af_smc.o
  CC [M]  net/smc/smc_core.o
  LD [M]  net/smc/smc.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  (#4171)
  LD [M]  kernel/kheaders.ko
  CC [M]  net/smc/smc.mod.o
  CC [M]  net/smc/smc_diag.mod.o
  LD [M]  net/smc/smc.ko
  LD [M]  net/smc/smc_diag.ko