http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57038
--- Comment #29 from Jan Hubicka <hubicka at ucw dot cz> --- > http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57038 > > --- Comment #28 from Martin Liška <marxin.liska at gmail dot com> --- > Gdb instruction dump of ScDocument::CalcAll, place where SIGSEGV was received > is marked with '>', address: 0x2aaab390c19d > ?? > ??0x2aaab390c188 <_ZN10ScDocument7CalcAllEv+8> push %rbp > > > > ?? > ??0x2aaab390c189 <_ZN10ScDocument7CalcAllEv+9> mov %rdi,%rbp > > > > ?? > >??0x2aaab390c19d <_ZN10ScDocument7CalcAllEv+29> mov 0x1c8(%rbp),%rbx > OK, so it seems to ICE on reading RBP+0x1c8 where RBP is the first parameter of CalcAll, so it is necessary to debug why it is wrong. I think you can just LTO re-link with -g and get source level debugging... Did you check if non-LTO build works? Honza
