[jdk26] RFR: 8373255: Unexpected iobj and ipdb files after JDK-8370438

Tue Dec 9 18:07:20 UTC 2025

This pull request contains a backport of commit [831fe94c](https://github.com/openjdk/jdk/commit/831fe94c75c407b2399be9b89630d8d117c2996c) from the [openjdk/jdk](https://git.openjdk.org/jdk) repository.

The commit being backported was authored by Erik Joelsson on 9 Dec 2025 and was reviewed by Sergey Bylokhov.

In jdk26, the revert of LTO for libsplashscreen in JDK-8372554 hasn't happened so this change will fix that too without needing to revert.

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Commit messages:
 - Backport 831fe94c75c407b2399be9b89630d8d117c2996c

Changes: https://git.openjdk.org/jdk/pull/28727/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=28727&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8373255
  Stats: 3 lines in 1 file changed: 3 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/28727.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/28727/head:pull/28727

PR: https://git.openjdk.org/jdk/pull/28727