tempfile.rb: remove in Tempfile.create

* lib/tempfile.rb (Tempfile.create): should not fail even if the
  temporary file has been removed in the block, just ignore.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58791 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

lib/tempfile.rb

@@ -334,8 +334,16 @@ def Tempfile.create(basename="", tmpdir=nil, mode: 0, **options)
     begin
       yield tmpfile
     ensure
+      if File.identical?(tmpfile, tmpfile.path)
+        unlinked = File.unlink tmpfile.path rescue nil
+      end
       tmpfile.close
-      File.unlink tmpfile
+      unless unlinked
+        begin
+          File.unlink tmpfile.path
+        rescue Errno::ENOENT
+        end
+      end
     end
   else
     tmpfile

test/test_tempfile.rb

@@ -343,6 +343,12 @@ puts Tempfile.new('foo').path
       assert_file.exist?(path)
     }
     assert_file.not_exist?(path)
+
+    Tempfile.create("tempfile-create") {|f|
+      path = f.path
+      File.unlink(f.path)
+    }
+    assert_file.not_exist?(path)
   end
 
   def test_create_without_block