On 12/07/2013 10:03 AM, Walter Bright wrote:
On 12/7/2013 1:30 AM, Marco Leise wrote:
How is that easier in Java? When whole-program analysis finds
that there is no class extending C, it could devirtualize all
methods of C, but(!) you can load and unload new derived
classes at runtime, too.
This can be done by noting what new derived classes are introduced by
runtime loading, and re-JITing any functions that devirtualized base
classes of it.
I don't know if this is actually done, but I don't see an obvious
problem with it.
It is actually done, eg. by the HotSpot JVM.
