This invocation appears to simply make __ISwalnum one character larger: clang_delta --transformation=remove-unused-enum-member --counter=1 wctype.h You have to run it in the directory untarred from here: http://www.cs.utah.edu/~regehr/reduce.tar.gzThe problem, of course, is that this looks like progress to C-Reduce which goes into an infinite loop.
Thanks, John