RFR: 8354448: [REDO] Remove friends for ObjectMonitor

[Coleen Phillimore]

On Tue, 15 Apr 2025 06:42:58 GMT, David Holmes <dholmes at openjdk.org> wrote:

>> This is a redo of the trivial change that failed.  The second commit is the method I should have added.
>> Tested with tier1-4, where tier3 has the code to exercise LockingMode=1.
>> Thanks,
>> Coleen
>
> src/hotspot/share/runtime/objectMonitor.inline.hpp line 154:
> 
>> 152: 
>> 153: inline void ObjectMonitor::increment_recursions(JavaThread* current) {
>> 154:   assert(has_owner(current), "must be the owner");
> 
> May be overkill to have this assert ...

Yeah this method will be removed with legacy locking.

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PR Review Comment: https://git.openjdk.org/jdk/pull/24626#discussion_r2044343532