[Bug libbacktrace/78063] libbacktrace fails to handle cross CU DW_AT_abstract_origin

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78063

--- Comment #6 from Martin Liška <marxin at gcc dot gnu.org> ---
I can confirm LTO bootstrapped GCC can properly report backtraces for an ICE.
Moreover, asan.exp tests work fine (compiled with -flto).