RFR: 8258415: gtest for committed memory leaks reservation

[Thomas Stuefe]

On Thu, 17 Dec 2020 00:37:00 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:

> Add a call to os::release_memory() in the gtest.
> Tested with gtest on linux-x64-debug.  tier1 testing in progress to run on other platforms.

+1

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Marked as reviewed by stuefe (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/1809