libunwind: decodeEHHdr

[Masachika ISHIZUKA]

>   On 13.0-CURRENT r344253, many applications can not run with the error
> message as follows.
> 
> okra.ish.org[101]_% firefox
> libunwind: decodeEHHdr /usr/altlocal/freebsd-current/src/contrib/llvm/projects/libunwind/src/EHHeaderParser.hpp:62 - Unsupported .eh_frame_hdr version
> Redirecting call to abort() to mozalloc_abort

  'https://reviews.llvm.org/D57081' was found, but I have not tried
this patch yet.
-- 
Masachika ISHIZUKA