RFR: JDK-8298852: Use of uninitialized memory in MetadataFactory::free_metadata

[Justin King]

On Thu, 15 Dec 2022 10:19:05 GMT, Justin King <jcking at openjdk.org> wrote:

> Fix undefined behavior by shifting call to member function to before destructor is called. Upon the destructor being called, the contents of the object are considered uninitialized and reading them is undefined.

Okay, will backport after it's sponsored and formally integrated.

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PR: https://git.openjdk.org/jdk/pull/11688