RFR: JDK-8298084: Memory leak in Method::build_profiling_method_data

[Justin King]

On Tue, 6 Dec 2022 06:13:23 GMT, Justin King <jcking at openjdk.org> wrote:

> Resolve memory leak related to `MethodData::_extra_data_lock` in `Method::build_profiling_method_data` by defining `MethodData::release_C_heap_structures` and calling it where appropriate before deallocating `MethodData`.

The Metadata derived classes also do not really use destructors at all. None of them are called directly under normal circumstances.

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PR: https://git.openjdk.org/jdk/pull/11526