https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64331
--- Comment #4 from Senthil Kumar Selvaraj <senthil_kumar.selvaraj at atmel dot com> --- Yes, running df_notes_add_problem and df_analyze in the target code does work. Is it just REG_USED/REG_DEAD notes, or is register liveliness (df_regs_ever_live_p etc..) also not guaranteed to be up to date?
