Using -Oline -j 72 W=1 redirect to /tmp/tmp.q2pFtzyBuV and /tmp/tmp.IwsIJ81pSa
LLVM=1 cc=clang
clang version 20.1.3 (Fedora 20.1.3-1.fc42)
Tree base:
ac3e5ee363f1 ("can: mcp251xfd: mcp251xfd_remove(): fix order of unregistration calls")
Skip baseline build, not the first patch and no Kconfig updates
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/can/rockchip/rockchip_canfd-core.o
  LD [M]  drivers/net/can/rockchip/rockchip_canfd.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#568)
  LD [M]  drivers/net/can/rockchip/rockchip_canfd.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
  INSTALL libsubcmd_headers
  CALL    ../scripts/checksyscalls.sh
  CHK     kernel/kheaders_data.tar.xz
  CC [M]  drivers/net/can/rockchip/rockchip_canfd-core.o
  LD [M]  drivers/net/can/rockchip/rockchip_canfd.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#568)
  CC [M]  drivers/net/can/rockchip/rockchip_canfd.mod.o
  LD [M]  drivers/net/can/rockchip/rockchip_canfd.ko