Integrated: JDK-8273194: Document the two possible cases when Lookup::ensureInitialized returns

[Mandy Chung]

On Wed, 1 Sep 2021 20:56:59 GMT, Mandy Chung <mchung at openjdk.org> wrote:

> Improve the specification to document the cases when `Lookup::ensureInitialized` returns as specified JVMS 5.5 and matches the implementation.
> 
> Please also review CSR: https://bugs.openjdk.java.net/browse/JDK-8273253

This pull request has now been integrated.

Changeset: ec9d1beb
Author:    Mandy Chung <mchung at openjdk.org>
URL:       https://git.openjdk.java.net/jdk/commit/ec9d1bebd772b3ca4ad3e0654cb4833c72ee238a
Stats:     6 lines in 1 file changed: 5 ins; 0 del; 1 mod

8273194: Document the two possible cases when Lookup::ensureInitialized returns

Reviewed-by: alanb

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PR: https://git.openjdk.java.net/jdk/pull/5343