Build: add instrumentation to all JavaCompile tasks

compiler/tests/org/jetbrains/kotlin/test/util/NotNullInstrumentationTest.java

@@ -0,0 +1,28 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.test.util;
+
+import junit.framework.TestCase;
+import org.jetbrains.annotations.NotNull;
+import org.junit.Assert;
+
+public class NotNullInstrumentationTest extends TestCase {
+
+    public void testArgument() {
+        try {
+            //noinspection ConstantConditions
+            instrumented(null);
+        } catch (IllegalArgumentException e) {
+            return;
+        }
+
+        Assert.fail("IllegalArgumentException is expected");
+    }
+
+    private void instrumented(@NotNull Object o) {
+        // This method should be instrumented with not null check
+    }
+}