review for 7042052: Xcomp crash with PopSynchronousTest

[Tom Rodriguez]

http://cr.openjdk.java.net/~never/7042052

7042052: Xcomp crash with PopSynchronousTest
Reviewed-by:

In the fix for 7009361 I added some logic in deoptimization to adjust
interpreted callers by the size of the signature at the call site
instead of the size of the callee since they can be different in the
presence of invokedynamic.  The logic for computing the arguments was
missing some parens so it grouped incorrecty returning either 1 or 0.
We have so much extra space in our frames most of the time that
nothing broke but luckily this test case showed the problem.  Tested
with failing test case from report.