Using -Oline -j 72 W=1 redirect to /tmp/tmp.ua8nCd8r2e and /tmp/tmp.aUP1h71aKe LLVM=1 cc=clang clang version 20.1.8 (Fedora 20.1.8-4.fc42) Tree base: 03a584dc1456 ("net: stmmac: replace memcpy with ethtool_puts in ethtool") 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 CC [M] drivers/net/ethernet/stmicro/stmmac/stmmac_main.o LD [M] drivers/net/ethernet/stmicro/stmmac/stmmac.o MODPOST Module.symvers Kernel: arch/x86/boot/bzImage is ready (#1470) LD [M] drivers/net/ethernet/stmicro/stmmac/stmmac.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] drivers/net/ethernet/stmicro/stmmac/stmmac_main.o LD [M] drivers/net/ethernet/stmicro/stmmac/stmmac.o MODPOST Module.symvers Kernel: arch/x86/boot/bzImage is ready (#1470) CC [M] drivers/net/ethernet/stmicro/stmmac/stmmac.mod.o LD [M] drivers/net/ethernet/stmicro/stmmac/stmmac.ko