RFR: JDK-8277822: Remove debug-only heap overrun checks in os::malloc and friends [v3]

[Thomas Stuefe]

On Fri, 14 Jan 2022 22:33:04 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:

>> Thomas Stuefe has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains four additional commits since the last revision:
>> 
>>  - Merge branch 'master' into JDK-8277822-Remove-debug-only-heap-overrun-checks-in-os-malloc-and-friends
>>  - Merge branch 'master' into JDK-8277822-Remove-debug-only-heap-overrun-checks-in-os-malloc-and-friends
>>  - initialize newly malloced memory
>>  - JDK-8277822-Remove-debug-only-heap-overrun-checks-in-os-malloc-and-friends
>
> Yes, much better as a JDK 19 change.

Thanks @coleenp, @zhengyu123 and @dholmes-ora 

Tests at SAP went through smoothly too.

-------------

PR: https://git.openjdk.java.net/jdk/pull/6554