RFR: 8325633: Use stricter assertion in callers of Space::is_aligned

[Stefan Johansson]

On Mon, 12 Feb 2024 12:34:23 GMT, Albert Mingkun Yang <ayang at openjdk.org> wrote:

> Simple using stricter assertion of alignment depending on the context.
> 
> Test: tier1-6

Marked as reviewed by sjohanss (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/17805#pullrequestreview-1875253468