Integrated: 8319778: Remove unreachable code in ObjectSynchronizer::exit

[Axel Boldt-Christmas]

On Fri, 10 Nov 2023 12:04:37 GMT, Axel Boldt-Christmas <aboldtch at openjdk.org> wrote:

> In `ObjectSynchronizer::exit` when unlocking on an inflated monitor with `LM_LIGHTWEIGHT` there is a check if the owner is anonymous. That branch should never be take and would indicate that something is wrong with either `ObjectSynchronizer::inflate` or that `ObjectSynchronizer::exit` is trying to unlock a monitor not owned by the `current` thread.
> 
> Changes this to an assert instead. Did not condition the assert on `LM_LIGHTWEIGHT` as this property should hold regardless of locking mode.

This pull request has now been integrated.

Changeset: 91279fcf
Author:    Axel Boldt-Christmas <aboldtch at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/91279fcf058a6bb16a7749c328179ab94227bb8d
Stats:     23 lines in 3 files changed: 0 ins; 22 del; 1 mod

8319778: Remove unreachable code in ObjectSynchronizer::exit

Reviewed-by: rkennke, dholmes, pchilanomate, dcubed

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PR: https://git.openjdk.org/jdk/pull/16602