--- a/hotspot/test/testlibrary_tests/whitebox/vm_flags/StringTest.java	Thu Oct 23 09:41:59 2014 -1000
+++ b/hotspot/test/testlibrary_tests/whitebox/vm_flags/StringTest.java	Fri Oct 24 08:22:33 2014 +0200
@@ -35,12 +35,14 @@
 
 public class StringTest {
     private static final String FLAG_NAME = "CompileOnly";
+    private static final String FLAG_DEBUG_NAME = "SuppressErrorAt";
     private static final String[] TESTS = {"StringTest::*", ""};
 
     public static void main(String[] args) throws Exception {
         VmFlagTest.runTest(FLAG_NAME, TESTS,
             VmFlagTest.WHITE_BOX::setStringVMFlag,
             VmFlagTest.WHITE_BOX::getStringVMFlag);
+        VmFlagTest.runTest(FLAG_DEBUG_NAME, VmFlagTest.WHITE_BOX::getStringVMFlag);
     }
 }