RFR: 8267303: Replace MinObjectAlignmentSize usages for non-Java heap objects

[Thomas Schatzl]

On Fri, 2 Jul 2021 20:36:23 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:

> Replace '3' and LogMinObjAlignmentInBytes with LogBytesPerWord (3 for LP64 and 2 for 32 bits).
> Hoping git actions will test 32 bits.
> Tested with tier1 on all Oracle platforms, but since I didn't change the values for our platforms, no failures expected.

Same question about the additional +3, but looks good otherwise.

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Marked as reviewed by tschatzl (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/4675