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/*
* Copyright (c) 2017, 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 8150534 8171435
* @summary C1 crashes in Canonicalizer::do_ArrayLength() after fix for JDK-8150102
*
* @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+UnlockDiagnosticVMOptions
* -XX:CompileThreshold=100 -XX:+TieredCompilation -XX:TieredStopAtLevel=1
* -XX:-BackgroundCompilation
* compiler.c1.CanonicalizeArrayLength
* @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+UnlockDiagnosticVMOptions
* -XX:CompileThreshold=100 -XX:+TieredCompilation -XX:TieredStopAtLevel=3
* -XX:-BackgroundCompilation
* -XX:+PatchALot
* compiler.c1.CanonicalizeArrayLength
* @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+UnlockDiagnosticVMOptions
* -XX:CompileThreshold=100 -XX:+TieredCompilation -XX:TieredStopAtLevel=1
* -XX:-BackgroundCompilation
* -XX:ScavengeRootsInCode=0
* compiler.c1.CanonicalizeArrayLength
* @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+UnlockDiagnosticVMOptions
* -XX:CompileThreshold=100 -XX:+TieredCompilation -XX:TieredStopAtLevel=1
* -XX:-BackgroundCompilation -XX:ScavengeRootsInCode=1
* compiler.c1.CanonicalizeArrayLength
*/
package compiler.c1;
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;
}
}
}
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