RFR: 8309044: Replace NULL with nullptr, final sweep of hotspot code [v2]

[Johan Sjölen]

On Thu, 1 Jun 2023 05:23:25 GMT, Tobias Hartmann <thartmann at openjdk.org> wrote:

> What's the plan now to prevent re-introducing `NULL`?

Hi Tobias. The only plan in place is social, the reviewers have to look out for it. I am however researching how to do this through machine. I'm currently researching ways of preventing any re-introductions by machine. These include poisoning the NULL macro by re-defining it and finding a tool which is capable of parsing C++ code which is yet to go through the pre-processor.

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PR Comment: https://git.openjdk.org/jdk/pull/14198#issuecomment-1571722147