Bug 123786 Following bug 109980, the compliance 6.0 should be added to the compiler's compliance list.
If the JRE/JDK used is a 1.6/6.0 VM, then the compliance 6.0 should be available. Compliance 1.6 implies source level 1.6 and target level 1.6.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/wizards/buildpaths/BuildPathSupport.java
private IClasspathEntry[] fNewEntries;
		private IClasspathContainer fOriginal;
		public UpdatedClasspathContainer(IClasspathContainer original, IClasspathEntry[] newEntries) {
			fNewEntries= newEntries;
			fOriginal= original;
		}
		public IClasspathEntry[] getClasspathEntries() {
			return fNewEntries;
		}
		public String getDescription() {
			return fOriginal.getDescription();
		}
		public int getKind() {