hg: jdk/submit: 8206022: Add test to check that the JVM accepts class files with version 56

[mikael.vidstedt at oracle.com]

Changeset: 1308189b0848
Author:    mikael
Date:      2018-06-28 17:45 -0700
URL:       http://hg.openjdk.java.net/jdk/submit/rev/1308189b0848

8206022: Add test to check that the JVM accepts class files with version 56
Reviewed-by: hseigel, hseigel

+ test/hotspot/jtreg/runtime/classFileParserBug/Class56.jasm