RFR: 8369211: AArch64: Devirtualize class RelocActions

[Andrew Dinn]

On Mon, 6 Oct 2025 15:14:59 GMT, Andrew Haley <aph at openjdk.org> wrote:

> RelocActions is instantiated every time we need to apply a reloc. There's really no need for this, and the use of virtual member functions and function pointers obfuscates the code.
> 
> While C++ compilers can devirtualize much of this, they don't always devirtualize all of it. Let's make RelocActions all static.

I did not expect to be saying this but it looks much better with templates!

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Marked as reviewed by adinn (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/27649#pullrequestreview-3334922589