RFR: JDK-8303072: Memory leak in exeNullCallerTest.cpp

[David Holmes]

On Wed, 22 Feb 2023 14:02:28 GMT, Justin King <jcking at openjdk.org> wrote:

> Fix trivial memory leak that occurs during tests.

Seems fine.

Thanks.

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Marked as reviewed by dholmes (Reviewer).

PR: https://git.openjdk.org/jdk/pull/12715