Using -Oline -j 72 W=1 redirect to /tmp/tmp.RFPWpdPd9u and /tmp/tmp.HYSAbmN2Lc
LLVM=1 cc=clang
clang version 18.1.8 (Fedora 18.1.8-1.fc40)
Tree base:
e10500b69c3f ("libbpf: Fix segfault due to libelf functions not setting errno")
Baseline building the tree
make[1]: Entering directory '/home/nipa/bpf-next/wt-0/build_clang'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/bpf-next/wt-0/build_clang'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
mkdir -p /home/nipa/bpf-next/wt-0/build_clang/tools/objtool && make O=/home/nipa/bpf-next/wt-0/build_clang subdir=tools/objtool --no-print-directory -C objtool 
  INSTALL libsubcmd_headers
  CALL    ../scripts/checksyscalls.sh
  UPD     kernel/config_data
  CHK     kernel/kheaders_data.tar.xz
  GZIP    kernel/config_data.gz
  CC [M]  kernel/configs.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#3306)
  LD [M]  kernel/configs.ko
Building the tree before the patch
make[1]: Entering directory '/home/nipa/bpf-next/wt-0/build_clang'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/bpf-next/wt-0/build_clang'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
mkdir -p /home/nipa/bpf-next/wt-0/build_clang/tools/objtool && make O=/home/nipa/bpf-next/wt-0/build_clang subdir=tools/objtool --no-print-directory -C objtool 
  CALL    ../scripts/checksyscalls.sh
  INSTALL libsubcmd_headers
  CHK     kernel/kheaders_data.tar.xz
Kernel: arch/x86/boot/bzImage is ready  (#3306)
Building the tree with the patch
make[1]: Entering directory '/home/nipa/bpf-next/wt-0/build_clang'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/bpf-next/wt-0/build_clang'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
mkdir -p /home/nipa/bpf-next/wt-0/build_clang/tools/objtool && make O=/home/nipa/bpf-next/wt-0/build_clang subdir=tools/objtool --no-print-directory -C objtool 
  CALL    ../scripts/checksyscalls.sh
  INSTALL libsubcmd_headers
  CHK     kernel/kheaders_data.tar.xz
Kernel: arch/x86/boot/bzImage is ready  (#3306)