Do not violate JVMS regarding initialization of final fields (#434)

Without this change instrumented classes can't pass checks
and cause IllegalAccessError starting from OpenJDK 9 EA b127
(see https://bugs.openjdk.java.net/browse/JDK-8157181).

1 files changed, 44 insertions, 0 deletions

diff --git a/org.jacoco.core.test/src/org/jacoco/core/test/validation/targets/BadCycleClass.java b/org.jacoco.core.test/src/org/jacoco/core/test/validation/targets/BadCycleClass.java
new file mode 100644
index 00000000..44e40cd1
--- /dev/null
+++ b/org.jacoco.core.test/src/org/jacoco/core/test/validation/targets/BadCycleClass.java
@@ -0,0 +1,44 @@
+/*******************************************************************************
+ * Copyright (c) 2009, 2016 Mountainminds GmbH & Co. KG and Contributors
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *    Evgeny Mandrikov - initial API and implementation
+ *
+ *******************************************************************************/
+package org.jacoco.core.test.validation.targets;
+
+public class BadCycleClass {
+
+	public static class Base {
+		static final Child b = new Child();
+
+		static {
+			b.someMethod();
+		}
+	}
+
+	public static class Child extends Base {
+
+		static {
+			Stubs.nop("child clinit"); // $line-3$
+		}
+
+		public Child() {
+			Stubs.nop("child init"); // $line-1$
+		}
+
+		void someMethod() {
+			Stubs.nop("child someMethod"); // $line-2$
+		}
+
+	}
+
+	public static void main(String[] args) {
+		new Child();
+	}
+
+}