testsuite: Add test for #16563

testsuite/tests/ghci/scripts/T16563.script

+putStrLn "hello world"

testsuite/tests/ghci/scripts/T16563.stdout

+hello world
+

testsuite/tests/ghci/scripts/all.T

@@ -296,5 +296,6 @@ test('T16089', normal, ghci_script, ['T16089.script'])
 test('T14828', normal, ghci_script, ['T14828.script'])
 test('T16376', normal, ghci_script, ['T16376.script'])
 test('T16527', normal, ghci_script, ['T16527.script'])
+test('T16563', extra_hc_opts("-clear-package-db -global-package-db"), ghci_script, ['T16563.script'])
 test('T16569', normal, ghci_script, ['T16569.script'])
 test('T16767', normal, ghci_script, ['T16767.script'])