Index: utils/lit/lit/TestFormats.py
===================================================================
--- utils/lit/lit/TestFormats.py	(revision 126559)
+++ utils/lit/lit/TestFormats.py	(working copy)
@@ -193,9 +193,14 @@
         # If using temp input, create a temporary file and hand it to the
         # subclass.
         if self.useTempInput:
-            tmp = tempfile.NamedTemporaryFile(suffix='.cpp')
+            if kIsWindows:
+                tmp = tempfile.NamedTemporaryFile(suffix='.cpp', delete = False)
+            else:
+                tmp = tempfile.NamedTemporaryFile(suffix='.cpp')
             self.createTempInput(tmp, test)
             tmp.flush()
+            if kIsWindows:
+                tmp.close();
             cmd.append(tmp.name)
         elif hasattr(test, 'source_path'):
             cmd.append(test.source_path)