[ruby-cvs:70028] nagachika:r62903 (ruby_2_4): merge revision(s) 62607: [Backport #14557]

[nagachika at ruby-lang.org]

nagachika	2018-03-23 21:03:58 +0900 (Fri, 23 Mar 2018)

  New Revision: 62903

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=62903

  Log:
    merge revision(s) 62607: [Backport #14557]
    
    file.c: realpath on special symlink
    
    * file.c (realpath_rec): fallback to symlink path when it is
      accessible but the link target is not actual entry on file
      systems.  [ruby-dev:50487] [Bug #14557]

  Modified directories:
    branches/ruby_2_4/
  Modified files:
    branches/ruby_2_4/file.c
    branches/ruby_2_4/test/ruby/test_file.rb
    branches/ruby_2_4/version.h