Using -Oline -j 96 W=1 redirect to /tmp/tmp.i6lom7GZm7 and /tmp/tmp.GIdUrsW5PE
LLVM=1 cc="ccache clang"
clang version 21.1.8 (Fedora 21.1.8-4.fc43)
Tree base:
f1359c240191 ("net/iucv: Add missing kernel-doc return value descriptions")
Baseline building the tree
make[1]: Entering directory '/srv/nipa-poller/net-next/wt-1/build_clang'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/srv/nipa-poller/net-next/wt-1/build_clang'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  DESCEND objtool
  CALL    ../scripts/checksyscalls.sh
  INSTALL libsubcmd_headers
  CC [M]  drivers/net/phy/realtek/realtek_main.o
  LD [M]  drivers/net/phy/realtek/realtek.o
  CC [M]  drivers/net/ethernet/stmicro/stmmac/dwmac-tegra.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#4321)
  CC [M]  drivers/net/phy/realtek/realtek.mod.o
  CC [M]  drivers/net/ethernet/stmicro/stmmac/dwmac-tegra.mod.o
  LD [M]  drivers/net/phy/realtek/realtek.ko
  LD [M]  drivers/net/ethernet/stmicro/stmmac/dwmac-tegra.ko
Building the tree before the patch
make[1]: Entering directory '/srv/nipa-poller/net-next/wt-1/build_clang'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/srv/nipa-poller/net-next/wt-1/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/stmicro/stmmac/dwmac-tegra.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#4321)
  CC [M]  drivers/net/ethernet/stmicro/stmmac/dwmac-tegra.mod.o
  LD [M]  drivers/net/ethernet/stmicro/stmmac/dwmac-tegra.ko
Building the tree with the patch
make[1]: Entering directory '/srv/nipa-poller/net-next/wt-1/build_clang'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/srv/nipa-poller/net-next/wt-1/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/stmicro/stmmac/dwmac-tegra.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#4321)
  CC [M]  drivers/net/ethernet/stmicro/stmmac/dwmac-tegra.mod.o
  LD [M]  drivers/net/ethernet/stmicro/stmmac/dwmac-tegra.ko