error in destroot for clang-3.8 +universal

[Michael Dickens]

FYI follow-up:

{{{
% otool -L
/opt/local/var/macports/build/_opt_source_MacPorts_trunk_dports_lang_llvm-3.8/clang-3.8/work/destroot/opt/local/libexec/llvm-3.8/lib/clang/3.8/lib/darwin/libclang_rt.asan_osx_dynamic.dylib
/opt/local/var/macports/build/_opt_source_MacPorts_trunk_dports_lang_llvm-3.8/clang-3.8/work/destroot/opt/local/libexec/llvm-3.8/lib/clang/3.8/lib/darwin/libclang_rt.asan_osx_dynamic.dylib:
        @rpath/libclang_rt.asan_osx_dynamic.dylib (compatibility version
        0.0.0, current version 0.0.0)
        /usr/lib/libc++.1.dylib (compatibility version 1.0.0, current
        version 120.0.0)
        /usr/lib/libc++abi.dylib (compatibility version 1.0.0, current
        version 125.0.0)
        /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current
        version 1213.0.0)

% lipo -detailed_info
/opt/local/var/macports/build/_opt_source_MacPorts_trunk_dports_lang_llvm-3.8/clang-3.8/work/destroot/opt/local/libexec/llvm-3.8/lib/clang/3.8/lib/darwin/libclang_rt.asan_osx_dynamic.dylib
Fat header in:
/opt/local/var/macports/build/_opt_source_MacPorts_trunk_dports_lang_llvm-3.8/clang-3.8/work/destroot/opt/local/libexec/llvm-3.8/lib/clang/3.8/lib/darwin/libclang_rt.asan_osx_dynamic.dylib
fat_magic 0xcafebabe
nfat_arch 2
architecture i386
    cputype CPU_TYPE_I386
    cpusubtype CPU_SUBTYPE_I386_ALL
    offset 4096
    size 884476
    align 2^12 (4096)
architecture x86_64
    cputype CPU_TYPE_X86_64
    cpusubtype CPU_SUBTYPE_X86_64_ALL
    offset 888832
    size 871128
    align 2^12 (4096)
}}}