(0.56) Allow pre-eval escaping conversion nodes of evaluated array-access #261
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Port of eclipse-omr/omr#7967
preEvaluateEscapingNodesForSpineCheck gets called to pre-evaluate a future used commoned node before branching out of mainline code. It restricts pre-evaluating conversions with array-access children for correctness of access. But if array-access is already evaluated this restriction is non-beneficial and might prevent a needed pre-evaluation into the mainline code for a future used commoned node.