RFR: 8355276: Sort C2 includes

Fri Jun 20 14:50:27 UTC 2025

On Fri, 20 Jun 2025 08:17:24 GMT, Manuel Hässig <mhaessig at openjdk.org> wrote:

> This PR sorts the includes in `hotspot/share/opto` using `test/hotspot/jtreg/sources/SortIncludes.java` and enforces sorted includes for C2 sources in `sources/TestIncludesAreSorted.java`.
> 
> Testing:
>  - [x] [Github Actions](https://github.com/mhaessig/jdk/actions/runs/15773777177)
>  - [x] tier1,tier2 plus Oracle internal testing on Oracle supported platforms

Looks good.

Marked as reviewed by kvn (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/25910#pullrequestreview-2946438361
PR Review: https://git.openjdk.org/jdk/pull/25910#pullrequestreview-2946438776