Make _has_previous_version a boolean that is set to true when previous version of a class is added or during class unloading call to purge_previous_versions Reviewed-by: gtriantafill, dcubed, sspitsyn
README: This file should be located at the top of the hotspot Mercurial repository. See http://openjdk.java.net/ for more information about the OpenJDK. See ../README-builds.html for complete details on build machine requirements. Simple Build Instructions: cd make && gnumake The files that will be imported into the jdk build will be in the "build" directory.