RFR: 8300086: Replace NULL with nullptr in share/c1/

[Johan Sjölen]

On Wed, 17 May 2023 10:42:56 GMT, Tobias Hartmann <thartmann at openjdk.org> wrote:

> Looks good to me otherwise.
> 
> Just wondering, can / will we put any safeguards in place once we migrated all code to `nullptr` to make sure new changes don't re-introduce `NULL`?

I hope it's possible to add it to jcheck, but I haven't asked around.

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PR Comment: https://git.openjdk.org/jdk/pull/14009#issuecomment-1551414936