RFR(XS): 8028064: tiered may collect wrong receiver type at virtual call

[Vladimir Kozlov]

Looks good.

Vladimir

On 11/18/13 12:51 PM, Roland Westrelin wrote:
> When there’s a unique possible callee method, tiered optimizes profile collection by using the callee’s holder as unique possible class. That’s incorrect. For instance, with this class hierarchy:
>      class A {
>          void m() {}
>      }
>
>      class B extends A {
>      }
>
> and this java code:
> B b
> b.m();
>
> the callee’s holder is A but profiling should record B. The class itself should be tested as being final or leaf.
>
> http://cr.openjdk.java.net/~roland/8028064/webrev.00/
>
> Roland.
>