8374969: Incorrect results of LoadStoreNode::adr_type and SCMemProj::adr_type

[merykitty]

Hi,

This is extracted from #28570

This PR fixes the return value of LoadStoreNode::adr_type and SCMemProj::adr_type. For the former, it is trivial that we can do what MemNode does. And for the latter, the implementation of ProjNode::adr_type is adequate.

Please kindly review, thanks a lot.

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• JDK-8374969: Incorrect results of LoadStoreNode::adr_type and SCMemProj::adr_type (Bug - P4)

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