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package org.graalvm.compiler.core.test.deopt;

import org.junit.Assume;
import org.junit.Test;

import org.graalvm.compiler.core.test.GraalCompilerTest;
import org.graalvm.compiler.core.test.ea.EATestBase.TestClassObject;

In the following tests, we try to deoptimize out of synchronized methods.
/** * In the following tests, we try to deoptimize out of synchronized methods. */
public class SynchronizedMethodDeoptimizationTest extends GraalCompilerTest { public static final TestClassObject testObject = null; public static synchronized Object testMethodSynchronized(Object o) { if (o == null) { // this branch will always deoptimize return testObject.x; } return o; } @Test public void test1() { // https://bugs.openjdk.java.net/browse/JDK-8182755 Assume.assumeTrue(Java8OrEarlier); test("testMethodSynchronized", "test"); test("testMethodSynchronized", (Object) null); } }