RFR: 8373388: Reenable LTO for libsplashscreen

[Matthias Baesken]

On Wed, 10 Dec 2025 13:27:31 GMT, Matthias Baesken <mbaesken at openjdk.org> wrote:

> [JDK-8372554](https://bugs.openjdk.org/browse/JDK-8372554) disabled LTO for libsplashscreen to fix an issue with the comparison build. It turns out the failure was caused by extra files that LTO produced and which were included in the image. Now that [JDK-8373255](https://bugs.openjdk.org/browse/JDK-8373255) has fixed that we should be able to reenable LTO again.

Thanks for the reviews !

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PR Comment: https://git.openjdk.org/jdk/pull/28746#issuecomment-3647751532