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

[Coleen Phillimore]

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`.

src/hotspot/share/oops/methodData.cpp line 1826:

> 1824: 
> 1825: void MethodData::deallocate_contents(ClassLoaderData* loader_data) {
> 1826:   assert(_extra_data_lock == NULL, "memory leak");

I don't know why you didn't make deallocate_contents call release_C_heap_structures, like the other metadata deallocate_contents functions do?

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