[lworld] RFR: 8277570: [lworld] Pre-allocated instance should be created during class initialization

[Alex Menkov]

On Mon, 22 Nov 2021 16:50:29 GMT, Frederic Parain <fparain at openjdk.org> wrote:

> Please review those changes moving the creation of the pre-allocated default instance from the loading phase to the class initialization phase. The changes also include fixes in C1 to ensure the class is initialized before optimizing empty classes.
> 
> Thank you,
> 
> Fred

What about loading classes from CDS archive?
SystemDictionary::load_shared_class also contains code to allocate default value.
I suppose classes from CDS need initialization anyway.

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PR: https://git.openjdk.java.net/valhalla/pull/585