RFR: JDK-8298445: Add LeakSanitizer support in HotSpot [v4]

[David Holmes]

On Tue, 7 Feb 2023 15:34:50 GMT, Justin King <jcking at openjdk.org> wrote:

>> Justin King has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains ten commits:
>> 
>>  - Merge branch 'master' into lsan
>>  - Fix grammatical error
>>    
>>    Signed-off-by: Justin King <jcking at google.com>
>>  - Update based on review and remove restriction on compressed oops and class pointers
>>    
>>    Signed-off-by: Justin King <jcking at google.com>
>>  - Support CDS
>>    
>>    Signed-off-by: Justin King <jcking at google.com>
>>  - Merge remote-tracking branch 'upstream/master' into lsan
>>  - Merge remote-tracking branch 'upstream/master' into lsan
>>  - Merge remote-tracking branch 'upstream/master' into lsan
>>  - Implement initial LSAN support v2
>>    
>>    Signed-off-by: Justin King <jcking at google.com>
>>  - Implement initial LSAN support
>
> Reverted the change to the JDK test leak, that can be done in another PR as mentioned.

@jcking  and @magicus  this change was not approved by any Hotspot Reviewer prior to integration. AFAICS the discussion with @tstuefe was still ongoing.

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PR: https://git.openjdk.org/jdk/pull/12229