> On 5 Dec 2015, at 00:09, Alex Buckley <alex.buck...@oracle.com> wrote: > > On 12/4/2015 11:58 AM, Peter Levart wrote: >> I know about those options. What I was wanting to know is whether the >> class file format will change and for what features. > > It's possible that VarHandles will justify a bump to 53.0 because of new > semantics for invokevirtual (see JEP 193). Paging Paul Sandoz, how is that > JVM Spec update coming along? :-) >
(I nearly missed this paging :-) ) Here is the current specdiff (this is updated regularly): http://cr.openjdk.java.net/~psandoz/jdk9/varhandles/specdiff/overview-summary.html <http://cr.openjdk.java.net/~psandoz/jdk9/varhandles/specdiff/overview-summary.html> At the end of the class summary of VarHandle there are notes on possible updates to the specifications: http://cr.openjdk.java.net/~psandoz/jdk9/varhandles/specdiff/java/lang/invoke/VarHandle.html <http://cr.openjdk.java.net/~psandoz/jdk9/varhandles/specdiff/java/lang/invoke/VarHandle.html> I will contact you off list about how best to proceed. Paul. > (Yes, changing instruction semantics causes a bump. Changing ldc in SE 5.0 to > support class constants bumped 48.0 to 49.0, thus losing the ability to > compile code with generics on JDK 5 and run the class files on 1.4.) > > Alex
