https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70306
--- Comment #4 from Martin Liška <marxin at gcc dot gnu.org> --- (In reply to Jakub Jelinek from comment #3) > Started with r216305. As expected, -fno-ipa-icf fixes this. > For GCC 5.x and maybe even for GCC 6.x, best would be probably just to > disable ICF for functions with constructor/destructor argument, and for > stage1 add wrappers for these. Sure, will fix that in the suggested manner. Martin