Using -Oline -j 96 W=1 redirect to /tmp/tmp.y3ItxFS8z0 and /tmp/tmp.erd0vCSOUN
LLVM=1 cc="ccache clang"
clang version 21.1.8 (Fedora 21.1.8-4.fc43)
Tree base:
1a86a1f7d889 ("net: Fix rcu_tasks stall in threaded busypoll")
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]  net/nfc/rawsock.o
  CC [M]  drivers/net/ethernet/broadcom/genet/bcmgenet.o
  CC [M]  net/nfc/digital_core.o
  LD [M]  drivers/net/ethernet/broadcom/genet/genet.o
  CC [M]  net/nfc/nci/data.o
  LD [M]  net/nfc/nfc_digital.o
  LD [M]  net/nfc/nfc.o
  CC [M]  net/nfc/nci/core.o
  LD [M]  net/nfc/nci/nci.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#919)
  CC [M]  drivers/net/ethernet/broadcom/genet/genet.mod.o
  LD [M]  net/nfc/nfc.ko
  LD [M]  net/nfc/nfc_digital.ko
  LD [M]  drivers/net/ethernet/broadcom/genet/genet.ko
  CC [M]  net/nfc/nci/nci.mod.o
  LD [M]  net/nfc/nci/nci.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]  net/nfc/nci/core.o
  LD [M]  net/nfc/nci/nci.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#919)
  CC [M]  net/nfc/nci/nci.mod.o
  LD [M]  net/nfc/nci/nci.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]  net/nfc/nci/core.o
  LD [M]  net/nfc/nci/nci.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#919)
  CC [M]  net/nfc/nci/nci.mod.o
  LD [M]  net/nfc/nci/nci.ko