RFR: 8327963: C2: fix construction of memory graph around Initialize node to prevent incorrect execution if allocation is removed [v8]

[Roland Westrelin]

On Fri, 13 Jun 2025 08:54:43 GMT, Roberto Castañeda Lozano <rcastanedalo at openjdk.org> wrote:

> > One way would be to simply assert that there's no `NarrowMemProj`s left during final graph reshape. Is that what you'd like?
> 
> Yes, that would be great (and I think it is OK to leave it to a future RFE if fully enforcing it would further increase the complexity of this PR).

Ok. I propose to file the follow up RFE if/once this PR has integrated as there's no follow up work until this code is in.

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PR Comment: https://git.openjdk.org/jdk/pull/24570#issuecomment-2977066799