JCK api/java_util/TreeMap/index.html#PutTests fails with -XX:+AggressiveOpts options for jdk8.
This is new jck tests.

The output is:
put01: Passed. test cases: 5; all passed
put02: Passed. OK
put03: Passed. test cases: 3; all passed
put04: Passed. OK
putCompNull_01: Passed. test cases: 2; all passed
putCompNull_02: Passed. test cases: 2; all passed
Expected exception java.lang.NullPointerException was not thrown by testcase "putCompNull_NPE01"
Testcase "putCompNull_NPE01" failed with arguments [null]
Expected exception java.lang.NullPointerException was not thrown by testcase "putCompNull_NPE01"
Testcase "putCompNull_NPE01" failed with arguments [java.lang.Object@8bfaf9f]
putCompNull_NPE01: Failed. test cases: 2; all failed; first test case failure: putCompNull_NPE01
putCompNull_NPE02: Passed. test cases: 2; all passed
Expected exception java.lang.NullPointerException was not thrown by testcase "putNull_NPE01"
Testcase "putNull_NPE01" failed with arguments [null]
Expected exception java.lang.NullPointerException was not thrown by testcase "putNull_NPE01"
Testcase "putNull_NPE01" failed with arguments [java.lang.Object@8bfaf9f]
putNull_NPE01: Failed. test cases: 2; all failed; first test case failure: putNull_NPE01
putNull_NPE02: Passed. test cases: 2; all passed
put_CCE01: Passed. test cases: 3; all passed
Expected exception java.lang.ClassCastException was not thrown by testcase "put_CCE02"
Testcase "put_CCE02" failed with arguments [java.lang.Object@bb277f0, 1]
Expected exception java.lang.ClassCastException was not thrown by testcase "put_CCE02"
Testcase "put_CCE02" failed with arguments [class java.lang.Object, clazz]
put_CCE02: Failed. test cases: 2; all failed; first test case failure: put_CCE02
STATUS:Failed.test cases: 12; passed: 9; failed: 3; first test case failure: putCompNull_NPE01

3 test cases fail:
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    private Object[] values = {null, new Object()};

    private Object[][] pairsInvalidType = {
            {new Object(), 1},
            {Object.class, "clazz"},
    };

    /**
     * Tested method: public V put(K key, V value)<br>
     * Assertions: Throws NullPointerException if the specified key is null
     * and this map uses natural ordering
     */
    @TestCase
    @ExpectedExceptions(NullPointerException.class)
    public void putNull_NPE01(@TestData("values") Object value) {
        TreeMap map = new TreeMap();
        map.put(null, value);
    }

    /**
     * Tested method: public V put(K key, V value)<br>
     * Assertions: Comparator does not permit null keys
     */
    @TestCase
    @ExpectedExceptions(NullPointerException.class)
    public void putCompNull_NPE01(@TestData("values") Object value) {
        TreeMap map = new TreeMap(new ComparatorProhibitsNull());
        map.put(null, value);
    }

    /**
     * Tested method: public V put(K key, V value)<br>
     * Assertions: ClassCastException - if the specified key
     * cannot be compared with the keys currently in the map.
     */
    @TestCase
    @TestData("pairsInvalidType")
    @ExpectedExceptions(ClassCastException.class)
    public void put_CCE02(Object key, Object value) {
        TreeMap map = new TreeMap();
        map.put(key, value);
    }
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