After failing of pthread_key_create, we use perror for error-information output, but perror evaluates errno. However, pthread_key_create seems not to set errno but returns an error code, so we should better print the real error code.
--------- - [x] I confirm that I make this contribution in accordance with the [OpenJDK Interim AI Policy](https://openjdk.org/legal/ai). ------------- Commit messages: - JDK-8392627 Changes: https://git.openjdk.org/jdk/pull/32999/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=32999&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8392627 Stats: 4 lines in 1 file changed: 1 ins; 0 del; 3 mod Patch: https://git.openjdk.org/jdk/pull/32999.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/32999/head:pull/32999 PR: https://git.openjdk.org/jdk/pull/32999
