http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60536
--- Comment #6 from Kostya Serebryany <kcc at gcc dot gnu.org> --- > _Unwind_Find_FDE+0x000001D9 /home/markus/gcc/libgcc/unwind-dw2-fde-dip.c:462 > /home/markus/gcc/libgcc/unwind-dw2.c:1182 > _Unwind_Backtrace+0x0000004B /home/markus/gcc/libgcc/unwind.inc:291 Interesting. asan detects a bug and starts reporting it, then if crashes inside the slow unwinder. Try the fast unwinder? ASAN_OPTIONS=fast_unwind_on_fatal=1