https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78098
Martin Liška <marxin at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2016-10-24 Target Milestone|--- |7.0 Ever confirmed|0 |1 --- Comment #4 from Martin Liška <marxin at gcc dot gnu.org> --- Hello H.J. As interrupt handler attribute is very specific and rare attribute, I'm suggesting to basically skip all functions in IPA ICF analysis that have such attribute. Does it work for you?