[Bug sanitizer/77631] no symbols in backtrace shown by ASan when debug info is split

[d.khalikov at partner dot samsung.com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77631

--- Comment #7 from Denis Khalikov <d.khalikov at partner dot samsung.com> ---
Thomas, before verifying i should fix issues from the list,
https://gcc.gnu.org/ml/gcc-patches/2017-03/msg00735.html