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

[trippels at gcc dot gnu.org]

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

--- Comment #1 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
Also happens without -flto.