RFR 8174725: JVM should throw ClassDefNotFoundError if ACC_MODULE is set in access_flags

[harold seigel]

Hi,

Please review this small change to throw a NoClassDefFoundError 
exception, for class file versions >= 53, if a class's access_flags have 
ACC_MODULE set.  This behavior will be required in the upcoming JVM-9 Spec.

Open Web: http://cr.openjdk.java.net/~hseigel/bug_8174725/webrev/index.html

JBS Bug: https://bugs.openjdk.java.net/browse/JDK-8174725


The fix was tested with JPRT, the hotspot, java/lang, java/util, 
java/io, JFR, and other JTReg tests, the JCK lang and VM tests, RBT 
tier2 - tier5 tests on LinuxX64, and the colocated and non-colocated NSK 
tests.

Thanks, Harold