8253748: StressIGV tests fail with release VMs

Reviewed-by: thartmann

Author: DamonFool

test/hotspot/jtreg/compiler/arguments/TestStressIGVNOptions.java

@@ -27,9 +27,9 @@
  * @requires vm.compiler2.enabled
  * @summary Tests that different combinations of the options -XX:+StressIGVN and
  *          -XX:StressSeed=N are accepted.
- * @run main/othervm -XX:+StressIGVN
+ * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+StressIGVN
  *      compiler.arguments.TestStressIGVNOptions
- * @run main/othervm -XX:+StressIGVN -XX:StressSeed=42
+ * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+StressIGVN -XX:StressSeed=42
  *      compiler.arguments.TestStressIGVNOptions
  */
 

test/hotspot/jtreg/compiler/debug/TestGenerateStressSeed.java

@@ -51,7 +51,7 @@ public static void main(String[] args) throws Exception {
             String className = TestGenerateStressSeed.class.getName();
             String log = "test.log";
             String[] procArgs = {
-                "-Xcomp", "-XX:-TieredCompilation",
+                "-Xcomp", "-XX:-TieredCompilation", "-XX:+UnlockDiagnosticVMOptions",
                 "-XX:CompileOnly=" + className + "::sum", "-XX:+StressIGVN",
                 "-XX:+LogCompilation", "-XX:LogFile=" + log, className, "10"};
             ProcessTools.createJavaProcessBuilder(procArgs).start().waitFor();

test/hotspot/jtreg/compiler/debug/TestStressIGVN.java

@@ -30,7 +30,7 @@
 /*
  * @test
  * @bug 8252219
- * @requires vm.compiler2.enabled
+ * @requires vm.debug == true & vm.compiler2.enabled
  * @summary Tests that compilations with the same seed yield the same IGVN
  *          trace, and compilations with different seeds yield different IGVN
  *          traces.