diff --git a/llvm/lib/Support/Windows/Path.inc b/llvm/lib/Support/Windows/Path.inc
--- a/llvm/lib/Support/Windows/Path.inc
+++ b/llvm/lib/Support/Windows/Path.inc
@@ -402,18 +402,23 @@
 }
 
 static std::error_code setDeleteDisposition(HANDLE Handle, bool Delete) {
-  // First, check if the file is on a network (non-local) drive. If so, don't
-  // set DeleteFile to true, since it prevents opening the file for writes.
-  SmallVector<wchar_t, 128> FinalPath;
-  if (std::error_code EC = realPathFromHandle(Handle, FinalPath))
-    return EC;
+  // First check if the file is on network (non-local) drive; don't ask for
+  // deletion in that case, since it prevents opening the file for writes.
+  // When Delete is false skip the check, since on Windows 7 the function
+  // realPathFromHandle() below would fail. In that case, network files would
+  // also get the 'false' flag, but that is fine.
+  if (Delete) {
+    SmallVector<wchar_t, 128> FinalPath;
+    if (std::error_code EC = realPathFromHandle(Handle, FinalPath))
+      return EC;
 
-  bool IsLocal;
-  if (std::error_code EC = is_local_internal(FinalPath, IsLocal))
-    return EC;
+    bool IsLocal;
+    if (std::error_code EC = is_local_internal(FinalPath, IsLocal))
+      return EC;
 
-  if (!IsLocal)
-    return std::error_code();
+    if (!IsLocal)
+      return std::error_code();
+  }
 
   // The file is on a local drive, set the DeleteFile to true.
   FILE_DISPOSITION_INFO Disposition;