[Bug sanitizer/60536] Backtrace corrupted on Firefox build with -fsanitize=address and -flto

[pinskia at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60536

--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Markus Trippelsdorf from comment #3)
> (In reply to Kostya Serebryany from comment #2)
> > Please symbolize the output. 
> 
> How?
> asan_symbolize.py doesn't parse this output.
> If I run addr2line on the first few symbols by hand I get:

Update the version of addr2line you are using first.  Basically a newer
addr2line will understand dwarf4 that GCC outputs.