merge revision(s) 57437:
leakchecker.rb: get rid of uninitialized Tempfile * test/lib/leakchecker.rb (LeakChecker#find_tempfiles): get rid of errors on uninitialized Tempfile, which can be left when Dir.tmpdir failed or by Tempfile.allocate.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_4@57878 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
merge revision(s) 57437:
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_4@57878 b2dd03c8-39d4-4d8f-98ff-823fe69b080e