On Sun, Feb 10, 2019 at 03:51:01PM +0900, Masahiro Yamada wrote: > I am still wondering, > but if this is really worth doing in upstream code, Yes, it is very worth doing it: make <path-to-file>.s is one of the basic steps one does when trying to pinpoint the Code: line in a splat back to the code gcc generated. > I think the following is a simpler idea. Yes, you can do it this way too but I can't apply it here to play with it because gmail probably corrupted the diff: checking file Makefile Hunk #1 FAILED at 729. 1 out of 1 hunk FAILED checking file scripts/Makefile.build patch: **** malformed patch at line 98: $(DISABLE_LTO) -fverbose-asm -S -o $@ $< Please attach the diff or send it from another mail server. Thx. -- Regards/Gruss, Boris. Good mailing practices for 400: avoid top-posting and trim the reply.