On Mon, 14 Oct 2024 15:52:07 GMT, Dan Heidinga <heidi...@openjdk.org> wrote:
>> Ioi Lam has updated the pull request incrementally with one additional >> commit since the last revision: >> >> Fixed JDK-8341988: jstack launched with AOT cache created with >> -XX:+AOTClassLinking crashes > > src/hotspot/share/cds/aotLinkedClassBulkLoader.cpp line 235: > >> 233: } >> 234: >> 235: // TODO -- is this really correct? Do we need a special ClassLoaderData >> for each hidden class? > > There are multiple kinds of hidden classes: > * default ones which can be unloaded immediately when no longer referenced > * MHs.Lookup.ClassOption::STRONG which are associated with their defining > loader and can only be unloaded when that loader is unloaded. > > I think we need special ClassLoaderData for the non-strong (default) hidden > classes We only resolve indys for the boot/platform/app class loaders, so there's no need to support class unloading. I've added a comment and tightened up the code with asserts. See version [382446d](https://github.com/openjdk/jdk/pull/21143/commits/382446d41bb79c4bd2c1dfeda656dfa2a73466b4) ------------- PR Review Comment: https://git.openjdk.org/jdk/pull/21143#discussion_r1802208841