7045506: assert(!can_reshape || !new_phi) failed: for igvn new phi should be hooked Summary: Replace the assert in PhiNode::Ideal with check to avoid transformation of new phi. Reviewed-by: never

7045693: java/util/EnumSet/EnumSetBash.java still failing intermittently Summary: New limit for unrolled loop should be set only for zero trip guard and loop iteration test. Reviewed-by: never

Merge