RFR(M): 8150635: j.l.i.MethodHandles.loop(...) throws IndexOutOfBoundsException

[Michael Haupt]

Dear all,

please review this fix.
Bug: https://bugs.openjdk.java.net/browse/JDK-8150635
Webrev: http://cr.openjdk.java.net/~mhaupt/8150635/webrev.00

There were two issues to address that led to IOOBE being thrown.

1. Lack of support for deriving the loop signature from given parameter type lists in case no init function is given at all.

2. The loop combinator reporting a wrong exception in case a parameter type list is longer than the common parameter sequence. In this case, an error about non-effectively identical parameter type lists should be signalled.

See the JIRA issue for details and examples.

Thanks,

Michael

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