test/hotspot/jtreg/runtime/ErrorHandling/ErrorHandler.java

rev 47862 : imported patch 10.07.open.rebase_20171110.dcubed
rev 47867 : coleenp CR: Change ThreadsList::_threads from 'mtGC' -> 'mtThread', add header comment to threadSMR.hpp file, cleanup JavaThreadIteratorWithHandle ctr, make ErrorHandling more efficient.

@@ -21,10 +21,11 @@
  * questions.
  */
 
 /*
  * @test
+ * @requires (vm.debug == true)
  * @bug 6888954
  * @bug 8015884
  * @summary Exercise HotSpot error handling code by invoking java with
  *          -XX:ErrorHandlerTest option to cause an error report. Check the results.
  * @modules java.base/jdk.internal.misc

@@ -37,21 +38,18 @@
 import jdk.test.lib.process.OutputAnalyzer;
 
 public class ErrorHandler {
 
     public static OutputAnalyzer runTest(int testcase) throws Exception {
+        // The -XX:ErrorHandlerTest=N option requires debug bits.
         return new OutputAnalyzer(
             ProcessTools.createJavaProcessBuilder(
             "-XX:-TransmitErrorReport", "-XX:-CreateCoredumpOnCrash", "-XX:ErrorHandlerTest=" + testcase)
             .start());
     }
 
     public static void main(String[] args) throws Exception {
-        // Test is only applicable for debug builds
-        if (!Platform.isDebugBuild()) {
-            return;
-        }
         // Keep this in sync with hotspot/src/share/vm/utilities/debug.cpp
         int i = 1;
         String[] strings = {
             "assert(str == NULL) failed: expected null",
             "assert(num == 1023 && *str == 'X') failed: num=",