Integrated: JDK-8324682 Remove redefinition of NULL for XLC compiler

[Suchismith Roy]

On Thu, 29 Feb 2024 14:05:53 GMT, Suchismith Roy <sroy at openjdk.org> wrote:

> Remove redefinition of NULL for XLC compiler
> In globalDefinitions_xlc.hpp there is a redefinition of NULL to work around an issue with one of the AIX headers (<dirent.h>). 
> Once all uses of NULL in HotSpot have been replaced with nullptr, there is no longer any need for this, and it can be removed.
> 
> 
> JBS ISSUE : [JDK-8324682](https://bugs.openjdk.org/browse/JDK-8324682)

This pull request has now been integrated.

Changeset: 313e814b
Author:    Suchismith Roy <sroy at openjdk.org>
Committer: Kim Barrett <kbarrett at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/313e814bc924c53f03052dde2ac33e74f28a82ca
Stats:     18 lines in 2 files changed: 0 ins; 15 del; 3 mod

8324682: Remove redefinition of NULL for XLC compiler

Reviewed-by: kbarrett, mbaesken

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PR: https://git.openjdk.org/jdk/pull/18064