Using -Oline -j 72 W=1 redirect to /tmp/tmp.KNiUIb3pgY and /tmp/tmp.4geGX1eF1y
LLVM=1 cc=clang
clang version 20.1.7 (Fedora 20.1.7-1.fc42)
Tree base:
561aa0e22b70 ("nui: Fix dma_mapping_error() check")
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
  CHK     kernel/kheaders_data.tar.xz
  CC [M]  drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.o
  LD [M]  drivers/net/ethernet/marvell/octeontx2/nic/rvu_nicvf.o
  CC [M]  drivers/net/virtio_net.o
  CC [M]  drivers/net/ethernet/sun/niu.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#921)
  CC [M]  drivers/net/ethernet/marvell/octeontx2/nic/rvu_nicvf.mod.o
  CC [M]  drivers/net/ethernet/sun/niu.mod.o
  CC [M]  drivers/net/virtio_net.mod.o
  LD [M]  drivers/net/ethernet/marvell/octeontx2/nic/rvu_nicvf.ko
  LD [M]  drivers/net/ethernet/sun/niu.ko
  LD [M]  drivers/net/virtio_net.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
  CHK     kernel/kheaders_data.tar.xz
  CC [M]  drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.o
  LD [M]  drivers/net/ethernet/marvell/octeontx2/nic/rvu_nicvf.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#921)
  CC [M]  drivers/net/ethernet/marvell/octeontx2/nic/rvu_nicvf.mod.o
  LD [M]  drivers/net/ethernet/marvell/octeontx2/nic/rvu_nicvf.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
  CHK     kernel/kheaders_data.tar.xz
  CC [M]  drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.o
  LD [M]  drivers/net/ethernet/marvell/octeontx2/nic/rvu_nicvf.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#921)
  CC [M]  drivers/net/ethernet/marvell/octeontx2/nic/rvu_nicvf.mod.o
  LD [M]  drivers/net/ethernet/marvell/octeontx2/nic/rvu_nicvf.ko