Bug #1560114: the Mac filesystem does have accurate information about the case of filenames.  (backport from rev. 52309)
Bug #1560114: the Mac filesystem does have accurate information
about the case of filenames.
 (backport from rev. 52309)

sk-/python2.7-type-annotator,sk-/python2.7-type-annotator,sk-/python2.7-type-annotator