libidn tst_stringprep tst_idna fail on Cygwin mingw64-x86_64 cross-build

[Brian Inglis]

Cygwin mingw64-x86_64 cross-build tst_stringprep tst_idna fail on 
1.39-1.41, all earlier and other i686/x86 cross build and Cygwin 
"native" x86_64 and i686 build tests all pass.

Tried some things with no change - details attached.

Any idea if and which gnulib changes could have affected this?
Suggestions for other things to look at, try, next steps?

--
Take care. Thanks, Brian Inglis, Calgary, Alberta, Canada

This email may be disturbing to some readers as it contains
too much technical detail. Reader discretion is advised.
[Data in binary units and prefixes, physical quantities in SI.]

mingw64-x86_64-libidn-1.39-41-test-failures.log
Description: Text document