--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/compiler/jsr292/NonInlinedCall/GCTest.java Fri Dec 04 23:46:19 2015 +0300
@@ -0,0 +1,105 @@
+/*
+ * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test
+ * @bug 8072008
+ * @library /testlibrary /../../test/lib
+ * @build GCTest NonInlinedReinvoker
+ * @run main ClassFileInstaller sun.hotspot.WhiteBox
+ * sun.hotspot.WhiteBox$WhiteBoxPermission
+ * java.lang.invoke.GCTest
+ * java.lang.invoke.GCTest$T
+ * java.lang.invoke.NonInlinedReinvoker
+ * jdk.test.lib.Asserts
+ * @run main/othervm -Xbootclasspath/a:. -XX:+IgnoreUnrecognizedVMOptions
+ * -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
+ * -Xbatch -XX:-TieredCompilation -XX:CICompilerCount=1
+ * java.lang.invoke.GCTest
+ */
+package java.lang.invoke;
+
+import sun.hotspot.WhiteBox;
+
+import java.lang.ref.*;
+import static jdk.test.lib.Asserts.*;
+
+public class GCTest {
+ static final MethodHandles.Lookup LOOKUP = MethodHandles.Lookup.IMPL_LOOKUP;
+
+ static class T {
+ static int f1() { return 0; }
+ static int f2() { return 1; }
+ }
+
+ static @Stable MethodHandle mh;
+ static PhantomReference<LambdaForm> lform;
+
+ static final ReferenceQueue<LambdaForm> rq = new ReferenceQueue<>();
+ static final WhiteBox WB = WhiteBox.getWhiteBox();
+
+ @DontInline
+ static int invokeBasic() {
+ try {
+ return (int) mh.invokeBasic();
+ } catch (Throwable e) {
+ throw new Error(e);
+ }
+ }
+
+ static void test(int expected) {
+ for (int i = 0; i < 20_000; i++) {
+ invokeBasic();
+ }
+ assertEquals(invokeBasic(), expected);
+ }
+
+ public static void main(String[] args) throws Exception {
+ mh = NonInlinedReinvoker.make(
+ LOOKUP.findStatic(T.class, "f1", MethodType.methodType(int.class)));
+
+ // Monitor LambdaForm GC
+ lform = new PhantomReference<>(mh.form, rq);
+
+ test(0);
+ WB.clearInlineCaches();
+ test(0);
+
+ mh = NonInlinedReinvoker.make(
+ LOOKUP.findStatic(T.class, "f2", MethodType.methodType(int.class)));
+
+ Reference<?> ref = null;
+ while (ref == null) {
+ WB.fullGC();
+ try {
+ ref = rq.remove(1000);
+ } catch (InterruptedException e) { /*ignore*/ }
+ }
+
+ test(1);
+ WB.clearInlineCaches();
+ test(1);
+
+ System.out.println("TEST PASSED");
+ }
+}