[Bug go/81183] -gdwarf-5: fatal error: unrecognized DWARF version in .debug_info at 6

[ian at airs dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81183

--- Comment #1 from Ian Lance Taylor <ian at airs dot com> ---
libbacktrace needs DWARF 5 support.