[jdk20] RFR: 8298084: Memory leak in Method::build_profiling_method_data [v3]

[Coleen Phillimore]

On Mon, 12 Dec 2022 17:51:25 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:

>> This change fixes the MethodData leak by calling the destructor in both the release_C_heap_structures conditionally and by calling the MethodData destructor in the MetadataFactory::free_metadata method.
>> Thanks to @jcking for working on the patch and discussion.
>> Tested with tier1-4.
>
> Coleen Phillimore has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Even more metaprogramming improvements

Thanks Erik and Kim.  @TobiHartmann and @jcking, do you want to review?

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PR: https://git.openjdk.org/jdk20/pull/13