RFR(L): 8143211: provide bytecode intrinsics for loop and try/finally executors

[Michael Haupt]

... gentle reminder ... :-)

> Am 16.06.2016 um 15:17 schrieb Michael Haupt <michael.haupt at oracle.com>:
> 
> Dear all,
> 
> please review this change.
> RFE: https://bugs.openjdk.java.net/browse/JDK-8143211
> Webrev: http://cr.openjdk.java.net/~mhaupt/8143211/webrev.00/
> 
> The change puts the tryFinally and loop method handle combinator implementations, which were introduced as part of the JEP 274 effort, on a LambdaForm basis, which executes in bytecode generating (default) and LambdaForm interpretation (-Djava.lang.invoke.MethodHandle.COMPILE_THRESHOLD=-1) modes. It also changes the output formatting of LambdaForms, introducing a (hopefully) more readable format.
> 
> Thanks,
> 
> Michael


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