--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/compiler/c1/CanonicalizeArrayLength.java Wed Feb 24 18:43:51 2016 +0300
@@ -0,0 +1,154 @@
+/*
+ * Copyright (c) 2016, 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 8150102 8150514
+ * @summary C1 crashes in Canonicalizer::do_ArrayLength() after fix for JDK-8150102
+ * @run main/othervm -XX:CompileThreshold=100 -XX:+TieredCompilation -XX:TieredStopAtLevel=1 -XX:-BackgroundCompilation CanonicalizeArrayLength
+ *
+ */
+
+public class CanonicalizeArrayLength {
+ int[] arr = new int[42];
+ int[] arrNull = null;
+
+ final int[] finalArr = new int[42];
+ final int[] finalArrNull = null;
+
+ static int[] staticArr = new int[42];
+ static int[] staticArrNull = null;
+
+ static final int[] staticFinalArr = new int[42];
+ static final int[] staticFinalArrNull = null;
+
+ public static void main(String... args) {
+ CanonicalizeArrayLength t = new CanonicalizeArrayLength();
+ for (int i = 0; i < 20000; i++) {
+ if (t.testLocal() != 42)
+ throw new IllegalStateException();
+ if (t.testLocalNull() != 42)
+ throw new IllegalStateException();
+ if (t.testField() != 42)
+ throw new IllegalStateException();
+ if (t.testFieldNull() != 42)
+ throw new IllegalStateException();
+ if (t.testFinalField() != 42)
+ throw new IllegalStateException();
+ if (t.testFinalFieldNull() != 42)
+ throw new IllegalStateException();
+ if (t.testStaticField() != 42)
+ throw new IllegalStateException();
+ if (t.testStaticFieldNull() != 42)
+ throw new IllegalStateException();
+ if (t.testStaticFinalField() != 42)
+ throw new IllegalStateException();
+ if (t.testStaticFinalFieldNull() != 42)
+ throw new IllegalStateException();
+ }
+ }
+
+ int testField() {
+ try {
+ return arr.length;
+ } catch (Throwable t) {
+ return -1;
+ }
+ }
+
+ int testFieldNull() {
+ try {
+ return arrNull.length;
+ } catch (Throwable t) {
+ return 42;
+ }
+ }
+
+ int testFinalField() {
+ try {
+ return finalArr.length;
+ } catch (Throwable t) {
+ return -1;
+ }
+ }
+
+ int testFinalFieldNull() {
+ try {
+ return finalArrNull.length;
+ } catch (Throwable t) {
+ return 42;
+ }
+ }
+
+ int testStaticField() {
+ try {
+ return staticArr.length;
+ } catch (Throwable t) {
+ return -1;
+ }
+ }
+
+ int testStaticFieldNull() {
+ try {
+ return staticArrNull.length;
+ } catch (Throwable t) {
+ return 42;
+ }
+ }
+
+ int testStaticFinalField() {
+ try {
+ return staticFinalArr.length;
+ } catch (Throwable t) {
+ return -1;
+ }
+ }
+
+ int testStaticFinalFieldNull() {
+ try {
+ return staticFinalArrNull.length;
+ } catch (Throwable t) {
+ return 42;
+ }
+ }
+
+ int testLocal() {
+ int[] arr = new int[42];
+ try {
+ return arr.length;
+ } catch (Throwable t) {
+ return -1;
+ }
+ }
+
+ int testLocalNull() {
+ int[] arrNull = null;
+ try {
+ return arrNull.length;
+ } catch (Throwable t) {
+ return 42;
+ }
+ }
+
+
+}