Using -Oline -j 96 W=1 redirect to /tmp/tmp.lLijlqdIEW and /tmp/tmp.jhlAryDQhI
LLVM=1 cc="ccache clang"
clang version 21.1.8 (Fedora 21.1.8-1.fc43)
Tree base:
a917cd0a23fa ("tools/net/ynl: Makefile's install target now installs ynltool")
Baseline building the tree
make[1]: Entering directory '/srv/nipa-poller/net/wt-0/build_clang'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/srv/nipa-poller/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]  drivers/net/ethernet/spacemit/k1_emac.o
  CC [M]  drivers/net/pcs/pcs-mtk-lynxi.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#393)
  CC [M]  drivers/net/ethernet/spacemit/k1_emac.mod.o
  CC [M]  drivers/net/pcs/pcs-mtk-lynxi.mod.o
  LD [M]  drivers/net/pcs/pcs-mtk-lynxi.ko
  LD [M]  drivers/net/ethernet/spacemit/k1_emac.ko
Building the tree before the patch
make[1]: Entering directory '/srv/nipa-poller/net/wt-0/build_clang'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/srv/nipa-poller/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]  drivers/net/pcs/pcs-mtk-lynxi.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#393)
  CC [M]  drivers/net/pcs/pcs-mtk-lynxi.mod.o
  LD [M]  drivers/net/pcs/pcs-mtk-lynxi.ko
Building the tree with the patch
make[1]: Entering directory '/srv/nipa-poller/net/wt-0/build_clang'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/srv/nipa-poller/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]  drivers/net/pcs/pcs-mtk-lynxi.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#393)
  CC [M]  drivers/net/pcs/pcs-mtk-lynxi.mod.o
  LD [M]  drivers/net/pcs/pcs-mtk-lynxi.ko