Using -Oline -j 72 W=1 redirect to /tmp/tmp.EC4jUjSR67 and /tmp/tmp.YNYEYQykpt
LLVM=1 cc="ccache clang"
clang version 20.1.8 (Fedora 20.1.8-4.fc42)
Tree base:
5442a9da6978 ("veth: more robust handing of race to avoid txq getting stuck")
Baseline building the tree
make[1]: Entering directory '/home/nipa/net/wt-0/build_clang'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net/wt-0/build_clang'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  DESCEND objtool
  CALL    ../scripts/checksyscalls.sh
  INSTALL libsubcmd_headers
  CC [M]  net/vmw_vsock/af_vsock.o
  LD [M]  net/vmw_vsock/vsock.o
  CC [M]  net/l2tp/l2tp_core.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#1970)
  CC [M]  net/vmw_vsock/vsock.mod.o
  LD [M]  net/vmw_vsock/vsock.ko
  CC [M]  net/l2tp/l2tp_core.mod.o
  LD [M]  net/l2tp/l2tp_core.ko
Building the tree before the patch
make[1]: Entering directory '/home/nipa/net/wt-0/build_clang'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net/wt-0/build_clang'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  DESCEND objtool
  CALL    ../scripts/checksyscalls.sh
  INSTALL libsubcmd_headers
  CC [M]  net/l2tp/l2tp_core.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#1970)
  CC [M]  net/l2tp/l2tp_core.mod.o
  LD [M]  net/l2tp/l2tp_core.ko
Building the tree with the patch
make[1]: Entering directory '/home/nipa/net/wt-0/build_clang'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net/wt-0/build_clang'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  DESCEND objtool
  CALL    ../scripts/checksyscalls.sh
  INSTALL libsubcmd_headers
  CC [M]  net/l2tp/l2tp_core.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#1970)
  CC [M]  net/l2tp/l2tp_core.mod.o
  LD [M]  net/l2tp/l2tp_core.ko