patch 8.2.3713: MS-Windows: no error if vimgrep pattern is not matching

Problem:    MS-Windows: No error message if vimgrep pattern is not matching.
Solution:   Give an error message. (Christian Brabandt, closes #9245,
            closes #8762)
diff --git a/src/testdir/test_quickfix.vim b/src/testdir/test_quickfix.vim
index 7bf453f..24526bd 100644
--- a/src/testdir/test_quickfix.vim
+++ b/src/testdir/test_quickfix.vim
@@ -5621,4 +5621,19 @@
   lclose
 endfunc
 
+fun Test_vimgrep_nomatch()
+  call XexprTests('c')
+  call g:Xsetlist([{'lnum':10,'text':'Line1'}])
+  copen
+  if has("win32")
+    call assert_fails('vimgrep foo *.zzz', 'E479:')
+    let expected = [{'lnum': 10, 'bufnr': 0, 'end_lnum': 0, 'pattern': '', 'valid': 0, 'vcol': 0, 'nr': 0, 'module': '', 'type': '', 'end_col': 0, 'col': 0, 'text': 'Line1'}]
+  else
+    call assert_fails('vimgrep foo *.zzz', 'E480:')
+    let expected = []
+  endif
+  call assert_equal(expected, getqflist())
+  cclose
+endfunc
+
 " vim: shiftwidth=2 sts=2 expandtab