patch 9.1.0346: Patch v9.1.0338 fixed sourcing a script with import

Problem:  Patch v9.1.0338 fixed sourcing a script with import
Solution: Add test `import './file.vim' and verify it works with `:source`
          so it does not regress (Ernie Rael)

closes: #14577

Signed-off-by: Ernie Rael <errael@raelity.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>

src/testdir/test_vim9_import.vim

@@ -1140,6 +1140,31 @@ def Test_autoload_import_relative()
   v9.CheckScriptFailure(lines, 'E484:')
 enddef
 
+def Test_autoload_import_relative_compiled()
+  # autoload relative, access from compiled function. #14565
+  var lines =<< trim END
+    vim9script
+
+    export def F1(): string
+        return 'InFile.vim'
+    enddef
+  END
+  writefile(lines, 'xfile.vim', 'D')
+  lines =<< trim END
+    vim9script
+
+    import autoload './xfile.vim'
+
+    def F(): string
+      return xfile.F1()
+    enddef
+    assert_equal('InFile.vim', F())
+  END
+  new
+  setline(1, lines)
+  :source
+enddef
+
 def Test_autoload_import_relative_autoload_dir()
   mkdir('autoload', 'pR')
   var lines =<< trim END

src/version.c

@@ -704,6 +704,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    346,
 /**/
     345,
 /**/