RFR: 8291065: Creating a VarHandle for a static field triggers class initialization [v4]

[Mandy Chung]

On Fri, 2 Jun 2023 01:19:26 GMT, Chen Liang <liach at openjdk.org> wrote:

> In addition, should we initialize the ref class or the declaring class only? I don't think we need to initialize the ref class when declaring class initialization should be sufficient, but that is a change in behavior.

Declaring class will be initialized [1].

refc should be equals to the declaring class because the static field to be looked up can only be found in the declaring class.  There should be no behavioral change.

[1] https://download.java.net/java/early_access/jdk21/docs/api/java.base/java/lang/invoke/MethodHandles.Lookup.html#findStaticVarHandle(java.lang.Class,java.lang.String,java.lang.Class)

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PR Comment: https://git.openjdk.org/jdk/pull/13821#issuecomment-1573031355