Using -Oline -j 72 W=1 redirect to /tmp/tmp.mw10YxpZLh and /tmp/tmp.KwyaN4MmTr
LLVM=1 cc=clang
clang version 18.1.6 (Fedora 18.1.6-3.fc40)
Tree base:
a041dc9e7021 ("net_tstamp: add SCM_TS_OPT_ID to provide OPT_ID in control message")
Skip baseline build, not the first patch and no Kconfig updates
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
  HDRTEST usr/include/linux/net_tstamp.h
  CHK     kernel/kheaders_data.tar.xz
  CC      net/ipv4/tcp.o
  AR      net/ipv4/built-in.a
  AR      net/built-in.a
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
  HDRTEST usr/include/linux/net_tstamp.h
  CHK     kernel/kheaders_data.tar.xz
  CC      net/ipv4/tcp.o
  AR      net/ipv4/built-in.a
  AR      net/built-in.a