[TESTBUG] Several regression tests fail to compile in JDK 8u20 nightly build

Testsuite name: Regression
JDK tested: JDK 8u20 nightly /net/aurora-ds.us.oracle.com/data/export/aurora/sca/scanas411/export/java-re/build/re3/nightlyws/jdk8u-dev/b08_2014-03-29-1901_2606/ws-b08_2014-03-29-1901_2606
OS tested: All

LOG:

/export/local/aurora/sandbox/testbase/test/lib/testlibrary/jdk/testlibrary/Asserts.java:194: error: cannot find symbol
            msg = Objects.toString(msg, "assertSame")
                  ^
  symbol: variable Objects
  location: class Asserts
/export/local/aurora/sandbox/testbase/test/lib/testlibrary/jdk/testlibrary/Asserts.java:195: error: cannot find symbol
                    + ": expected " + Objects.toString(lhs)
                                      ^
  symbol: variable Objects
  location: class Asserts
/export/local/aurora/sandbox/testbase/test/lib/testlibrary/jdk/testlibrary/Asserts.java:196: error: cannot find symbol
                    + " to equal " + Objects.toString(rhs);
                                     ^
  symbol: variable Objects
  location: class Asserts
/export/local/aurora/sandbox/testbase/test/lib/testlibrary/jdk/testlibrary/Asserts.java:197: error: cannot find symbol
            fail(msg);
            ^
  symbol: method fail(String)
  location: class Asserts
Note: /export/local/aurora/sandbox/testbase/test/java/lang/invoke/MethodHandles/CatchExceptionTest.java uses unchecked or unsafe operations.
Note: Recompile with -Xlint:unchecked for details.
4 errors
result: Failed. Compilation failed: Compilation failed


test result: Failed. Compilation failed: Compilation failed