Integrated: 8290739: Simplify storage of dump-time class information

[Ioi Lam]

On Mon, 25 Jul 2022 22:06:51 GMT, Ioi Lam <iklam at openjdk.org> wrote:

> Some code clean up in anticipation of future CDS development.
> 
> I moved the initialization of `SystemDictionaryShared::_dumptime_table` and `SystemDictionaryShared::_dumptime_lambda_proxy_class_dictionary` to VM bootstrap, so that:
> - We don't need to allocate these tables dynamically
> - We don't need to check if these tables exist when writing the archive
> 
> The current implementation guarantees that `SystemDictionaryShared::_dumptime_table` always contains a `DumpTimeClassInfo` for each `InstanceKlass` that's being considered for inclusion in the CDS archive. I simplified the old `SystemDictionaryShared::find_or_allocate_info_for()` API to
> 
> 
> // Guaranteed to return non-NULL value for non-shared classes.
> // k must not be a shared class.
> DumpTimeClassInfo* SystemDictionaryShared::get_info(InstanceKlass* k)
> 
> 
> For more details, please see JBS issue: [JDK-8290739](https://bugs.openjdk.org/browse/JDK-8290739)

This pull request has now been integrated.

Changeset: bc6a3c7b
Author:    Ioi Lam <iklam at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/bc6a3c7b833cb88b624f1d18877edc4f31102a48
Stats:     174 lines in 8 files changed: 26 ins; 55 del; 93 mod

8290739: Simplify storage of dump-time class information

Reviewed-by: ccheung

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PR: https://git.openjdk.org/jdk/pull/9634