RFR: 8312979: Fix assembler_aarch64.hpp after JDK-8311847 [v2]

[Coleen Phillimore]

On Tue, 25 Jul 2023 18:18:03 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:

>> This passes linux-aarch64-debug.  Waiting for GHA to see if it passes windows-aarch64.
>
> Coleen Phillimore has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Maybe this is better.

Thanks for reviewing, Dean.  The GHA are done and clean except windows-x64, which is still running.  Since this change doesn't touch that and it's trivial, I'm going to check it in now.

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PR Comment: https://git.openjdk.org/jdk/pull/15023#issuecomment-1650591501