Using -Oline -j 72 W=1 redirect to /tmp/tmp.Naetfx20jt and /tmp/tmp.WrRTRxTGWM LLVM=1 cc="ccache clang" clang version 20.1.8 (Fedora 20.1.8-4.fc42) Tree base: 7d1988a94385 ("Merge tag 'wireless-2025-11-05' of https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless") 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 CC [M] drivers/net/ethernet/freescale/fec_main.o LD [M] drivers/net/ethernet/freescale/fec.o CC [M] net/tipc/monitor.o LD [M] net/tipc/tipc.o MODPOST Module.symvers Kernel: arch/x86/boot/bzImage is ready (#1885) CC [M] drivers/net/ethernet/freescale/fec.mod.o LD [M] drivers/net/ethernet/freescale/fec.ko CC [M] net/tipc/tipc.mod.o LD [M] net/tipc/tipc.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 CC [M] net/tipc/monitor.o LD [M] net/tipc/tipc.o MODPOST Module.symvers Kernel: arch/x86/boot/bzImage is ready (#1885) CC [M] net/tipc/tipc.mod.o LD [M] net/tipc/tipc.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 CC [M] net/tipc/monitor.o LD [M] net/tipc/tipc.o MODPOST Module.symvers Kernel: arch/x86/boot/bzImage is ready (#1885) CC [M] net/tipc/tipc.mod.o LD [M] net/tipc/tipc.ko