Integrated: 8337523: Fix -Wzero-as-null-pointer-constant warnings in jvmci code

[Kim Barrett]

On Wed, 31 Jul 2024 02:12:39 GMT, Kim Barrett <kbarrett at openjdk.org> wrote:

> Please review this trivial change that removes some uses of literal 0 as a
> null pointer constant in jvmci code.
> 
> Testing: mach5 tier1

This pull request has now been integrated.

Changeset: 61386c19
Author:    Kim Barrett <kbarrett at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/61386c199a3b29457c002ad31a23990b7f6f88fd
Stats:     6 lines in 4 files changed: 0 ins; 0 del; 6 mod

8337523: Fix -Wzero-as-null-pointer-constant warnings in jvmci code

Reviewed-by: chagedorn, shade

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PR: https://git.openjdk.org/jdk/pull/20399