a191c586dc
Record nodes as dead in Node::destruct() if their index cannot be directly reclaimed. This prevents the "Live Node limit exceeded limit" assertion failure by improving the accuracy of Compile::live_nodes() when "hook" nodes in ConvI2LNode::Ideal() are created and deleted non-consecutively. This addition might result in multiple calls to compile::record_dead_node() for the same node (e.g. from PhaseIdealLoop::spinup()), but this is safe, as compile::record_dead_node() is idempotent. Reviewed-by: neliasso, thartmann
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