Using -Oline -j 72 W=1 redirect to /tmp/tmp.r41f4lEp5f and /tmp/tmp.bkP6MH6Pw2
LLVM=1 cc=clang
clang version 20.1.8 (Fedora 20.1.8-3.fc42)
Tree base:
02614eee26fb ("idpf: do not linearize big TSO packets")
Baseline building the tree
make[1]: Entering directory '/home/nipa/net-next/wt-1/build_clang'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/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/mdio/of_mdio.o
  CC [M]  drivers/net/phy/swphy.o
  CC [M]  drivers/net/ethernet/freescale/fman/mac.o
  CC [M]  drivers/net/ethernet/broadcom/genet/bcmmii.o
  LD [M]  drivers/net/phy/libphy.o
  CC [M]  drivers/net/ethernet/hisilicon/hibmcge/hbg_mdio.o
  LD [M]  drivers/net/ethernet/broadcom/genet/genet.o
  CC [M]  drivers/net/phy/fixed_phy.o
  CC [M]  drivers/net/dsa/dsa_loop.o
  LD [M]  drivers/net/ethernet/hisilicon/hibmcge/hibmcge.o
  CC [M]  drivers/net/dsa/bcm_sf2.o
  CC [M]  drivers/net/ethernet/broadcom/bgmac.o
  CC [M]  net/dsa/user.o
  LD [M]  drivers/net/dsa/bcm-sf2.o
  CC [M]  drivers/net/ethernet/freescale/fman/fman_memac.o
  CC [M]  drivers/net/ethernet/broadcom/asp2/bcmasp_intf.o
  LD [M]  net/dsa/dsa_core.o
  LD [M]  drivers/net/ethernet/freescale/fman/fsl_dpaa_mac.o
  LD [M]  drivers/net/ethernet/broadcom/asp2/bcm-asp.o
  CC [M]  drivers/net/phy/phylink.o
  CC [M]  drivers/net/ethernet/broadcom/bcmsysport.o
  CC [M]  drivers/net/ethernet/freescale/gianfar.o
  CC [M]  drivers/net/ethernet/microchip/lan743x_main.o
  LD [M]  drivers/net/ethernet/freescale/gianfar_driver.o
  LD [M]  drivers/net/ethernet/microchip/lan743x.o
  GEN     kernel/kheaders_data.tar.xz
  CC [M]  kernel/kheaders.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#5115)
  LD [M]  kernel/kheaders.ko
  LD [M]  drivers/net/phy/phylink.ko
  LD [M]  drivers/net/phy/libphy.ko
  LD [M]  drivers/net/mdio/of_mdio.ko
  LD [M]  drivers/net/dsa/bcm-sf2.ko
  LD [M]  drivers/net/dsa/dsa_loop.ko
  LD [M]  drivers/net/ethernet/broadcom/genet/genet.ko
  LD [M]  drivers/net/ethernet/broadcom/bgmac.ko
  LD [M]  drivers/net/ethernet/broadcom/bcmsysport.ko
  LD [M]  drivers/net/ethernet/broadcom/asp2/bcm-asp.ko
  LD [M]  drivers/net/ethernet/freescale/gianfar_driver.ko
  LD [M]  drivers/net/ethernet/freescale/fman/fsl_dpaa_mac.ko
  LD [M]  drivers/net/ethernet/hisilicon/hibmcge/hibmcge.ko
  LD [M]  drivers/net/ethernet/microchip/lan743x.ko
  CC [M]  drivers/net/phy/fixed_phy.mod.o
  LD [M]  net/dsa/dsa_core.ko
  LD [M]  drivers/net/phy/fixed_phy.ko
Building the tree before the patch
make[1]: Entering directory '/home/nipa/net-next/wt-1/build_clang'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/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/mdio/of_mdio.o
  CC [M]  drivers/net/phy/swphy.o
  LD [M]  drivers/net/phy/libphy.o
  CC [M]  drivers/net/dsa/dsa_loop.o
  CC [M]  drivers/net/phy/fixed_phy.o
  CC [M]  drivers/net/ethernet/broadcom/genet/bcmmii.o
  CC [M]  drivers/net/ethernet/freescale/fman/mac.o
  CC [M]  drivers/net/ethernet/hisilicon/hibmcge/hbg_mdio.o
  LD [M]  drivers/net/ethernet/broadcom/genet/genet.o
  CC [M]  net/dsa/user.o
  CC [M]  drivers/net/dsa/bcm_sf2.o
  LD [M]  drivers/net/ethernet/hisilicon/hibmcge/hibmcge.o
  LD [M]  drivers/net/dsa/bcm-sf2.o
  LD [M]  net/dsa/dsa_core.o
  CC [M]  drivers/net/ethernet/freescale/fman/fman_memac.o
  CC [M]  drivers/net/ethernet/broadcom/bgmac.o
  LD [M]  drivers/net/ethernet/freescale/fman/fsl_dpaa_mac.o
  CC [M]  drivers/net/phy/phylink.o
  CC [M]  drivers/net/ethernet/broadcom/asp2/bcmasp_intf.o
  LD [M]  drivers/net/ethernet/broadcom/asp2/bcm-asp.o
  CC [M]  drivers/net/ethernet/broadcom/bcmsysport.o
  CC [M]  drivers/net/ethernet/microchip/lan743x_main.o
  CC [M]  drivers/net/ethernet/freescale/gianfar.o
  LD [M]  drivers/net/ethernet/freescale/gianfar_driver.o
  LD [M]  drivers/net/ethernet/microchip/lan743x.o
  GEN     kernel/kheaders_data.tar.xz
  CC [M]  kernel/kheaders.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#5115)
  LD [M]  kernel/kheaders.ko
  LD [M]  drivers/net/phy/phylink.ko
  LD [M]  drivers/net/phy/libphy.ko
  LD [M]  drivers/net/mdio/of_mdio.ko
  LD [M]  drivers/net/dsa/bcm-sf2.ko
  LD [M]  drivers/net/dsa/dsa_loop.ko
  LD [M]  drivers/net/ethernet/broadcom/genet/genet.ko
  LD [M]  drivers/net/ethernet/broadcom/bgmac.ko
  LD [M]  drivers/net/ethernet/broadcom/bcmsysport.ko
  LD [M]  drivers/net/ethernet/broadcom/asp2/bcm-asp.ko
  LD [M]  drivers/net/ethernet/freescale/gianfar_driver.ko
  LD [M]  drivers/net/ethernet/freescale/fman/fsl_dpaa_mac.ko
  LD [M]  drivers/net/ethernet/hisilicon/hibmcge/hibmcge.ko
  LD [M]  drivers/net/ethernet/microchip/lan743x.ko
  CC [M]  drivers/net/phy/fixed_phy.mod.o
  LD [M]  net/dsa/dsa_core.ko
  LD [M]  drivers/net/phy/fixed_phy.ko
Building the tree with the patch
make[1]: Entering directory '/home/nipa/net-next/wt-1/build_clang'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/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/mdio/of_mdio.o
  CC [M]  drivers/net/phy/swphy.o
  LD [M]  drivers/net/phy/libphy.o
  CC [M]  drivers/net/dsa/dsa_loop.o
  CC [M]  drivers/net/phy/fixed_phy.o
  CC [M]  drivers/net/ethernet/broadcom/genet/bcmmii.o
  CC [M]  drivers/net/dsa/bcm_sf2.o
  LD [M]  drivers/net/ethernet/broadcom/genet/genet.o
  CC [M]  drivers/net/ethernet/freescale/fman/mac.o
  CC [M]  net/dsa/user.o
  CC [M]  drivers/net/ethernet/hisilicon/hibmcge/hbg_mdio.o
  LD [M]  drivers/net/dsa/bcm-sf2.o
  LD [M]  drivers/net/ethernet/hisilicon/hibmcge/hibmcge.o
  LD [M]  net/dsa/dsa_core.o
  CC [M]  drivers/net/ethernet/freescale/fman/fman_memac.o
  CC [M]  drivers/net/ethernet/broadcom/bgmac.o
  LD [M]  drivers/net/ethernet/freescale/fman/fsl_dpaa_mac.o
  CC [M]  drivers/net/ethernet/broadcom/asp2/bcmasp_intf.o
  CC [M]  drivers/net/phy/phylink.o
  LD [M]  drivers/net/ethernet/broadcom/asp2/bcm-asp.o
  CC [M]  drivers/net/ethernet/broadcom/bcmsysport.o
  CC [M]  drivers/net/ethernet/microchip/lan743x_main.o
  CC [M]  drivers/net/ethernet/freescale/gianfar.o
  LD [M]  drivers/net/ethernet/microchip/lan743x.o
  LD [M]  drivers/net/ethernet/freescale/gianfar_driver.o
  GEN     kernel/kheaders_data.tar.xz
  CC [M]  kernel/kheaders.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#5115)
  LD [M]  kernel/kheaders.ko
  LD [M]  drivers/net/phy/phylink.ko
  LD [M]  drivers/net/phy/libphy.ko
  LD [M]  drivers/net/mdio/of_mdio.ko
  LD [M]  drivers/net/dsa/bcm-sf2.ko
  LD [M]  drivers/net/dsa/dsa_loop.ko
  LD [M]  drivers/net/ethernet/broadcom/genet/genet.ko
  LD [M]  drivers/net/ethernet/broadcom/bgmac.ko
  LD [M]  drivers/net/ethernet/broadcom/bcmsysport.ko
  LD [M]  drivers/net/ethernet/broadcom/asp2/bcm-asp.ko
  LD [M]  drivers/net/ethernet/freescale/gianfar_driver.ko
  LD [M]  drivers/net/ethernet/freescale/fman/fsl_dpaa_mac.ko
  LD [M]  drivers/net/ethernet/hisilicon/hibmcge/hibmcge.ko
  LD [M]  drivers/net/ethernet/microchip/lan743x.ko
  CC [M]  drivers/net/phy/fixed_phy.mod.o
  LD [M]  net/dsa/dsa_core.ko
  LD [M]  drivers/net/phy/fixed_phy.ko