lldb-devel: error: no matching function for call to 'next'

[ryandesign (Ryan Carsten Schmidt)]

​Build fails on OS X 10.11:

/opt/local/var/macports/build/_opt_bblocal_var_buildworker_ports_build_ports_lang_llvm-devel/lldb-devel/work/trunk/tools/lldb/source/Plugins/ExpressionParser/Clang/ClangHost.cpp:112:17: error: no matching function for call to 'next'
  auto parent = std::next(rev_it);
                ^~~~~~~~~
/Library/Developer/CommandLineTools/usr/bin/../include/c++/v1/iterator:521:25: note: candidate template ignored: disabled by 'enable_if' [with _ForwardIter = llvm::sys::path::reverse_iterator]
     typename enable_if<__is_forward_iterator<_ForwardIter>::value>::type* = 0)
                        ^
1 error generated.

Please also check previous lldb-* portfiles for the same problem.

[kencu (Ken)]

In 2071c79f088d70040eafdf34546e461473af7072/macports-ports (master):

lldb 5.0 to devel: tweak failing systems

to match results on buildbot from recent revbumps
add known_fail to prevent needless build attempts

note: some of these older systems might build lldb with effort
the missing pieces might be replaced by legacysupport

closes: #57499
closes: #59326
closes: #59327
closes: #55720