Using -Oline -j 96 W=1 redirect to /tmp/tmp.eR3NQC6Ozr and /tmp/tmp.nTlqPBcGrv
LLVM=1 cc="ccache clang"
clang version 21.1.6 (Fedora 21.1.6-1.fc43)
Tree base:
428511dcbf29 ("net: stmmac: rk: replace empty set_to_rmii() with supports_rmii")
Skip baseline build, not the first patch and no Kconfig updates
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-rk.o
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
  INSTALL libsubcmd_headers
  CALL    ../scripts/checksyscalls.sh
  CC [M]  drivers/net/ethernet/stmicro/stmmac/dwmac-rk.o