8050079: crash while compiling java.lang.ref.Finalizer::runFinalizer

Ignore non-instance Klasses in the subclass hierarchy.

Reviewed-by: kvn, iignatyev, jrose

hotspot/test/compiler/dependencies/MonomorphicObjectCall/java/lang/Object.java

@@ -0,0 +1,87 @@
+/*
+ * Copyright (c) 1994, 2014, 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.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * 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.
+ */
+
+package java.lang;
+
+/**
+ * Slightly modified version of java.lang.Object that replaces
+ * finalize() by finalizeObject() to avoid overriding in subclasses.
+ */
+public class Object {
+
+    private static native void registerNatives();
+    static {
+        registerNatives();
+    }
+
+    public final native Class<?> getClass();
+
+    public native int hashCode();
+
+    public boolean equals(Object obj) {
+        return (this == obj);
+    }
+
+    protected native Object clone() throws CloneNotSupportedException;
+
+    public String toString() {
+        return getClass().getName() + "@" + Integer.toHexString(hashCode());
+    }
+
+    public final native void notify();
+
+    public final native void notifyAll();
+
+    public final native void wait(long timeout) throws InterruptedException;
+
+    public final void wait(long timeout, int nanos) throws InterruptedException {
+        if (timeout < 0) {
+            throw new IllegalArgumentException("timeout value is negative");
+        }
+
+        if (nanos < 0 || nanos > 999999) {
+            throw new IllegalArgumentException(
+                                "nanosecond timeout value out of range");
+        }
+
+        if (nanos >= 500000 || (nanos != 0 && timeout == 0)) {
+            timeout++;
+        }
+
+        wait(timeout);
+    }
+
+    public final void wait() throws InterruptedException {
+        wait(0);
+    }
+
+    /**
+     * Replaces original finalize() method and is therefore not
+     * overridden by any subclasses of Object.
+     * @throws Throwable
+     */
+    // protected void finalize() throws Throwable { }
+    public void finalizeObject() throws Throwable { }
+}