> > I am not sure I follow your argumentation here. flag_exceptions is > > optimization which means that one should not test it globally. For that > > reason I would just change dwarf2out to simply trigger > > dwarf2out_frame_finish if any of the compiled functions needed it (had > > flag_exceptions set). > > That's not sufficient for a partition with only EH-neutral functions. > > > My readon of lto-wrapper is that it will set flag_exceptions for whole > > compilation unit when one of compilation units were copmiled with > > flag_exceptions. > > > > How that helps the neutral functions? > > flag_exceptions is never set in a partition with only EH-neutral functions.
Hmm, I am still not following. By EH-neutral you mean function compiled with -fno-exceptions so it has no unwind info at all or one that has unwind info but does not do anything with EH? Honza > > -- > Eric Botcazou
