git: openjdk/jdk21u-dev: master: 8355387: [jittester] Disable downcasts by default

[Satyen Subramaniam]

Changeset: 13f88dce
Branch: master
Author:    Satyen Subramaniam <ssubramaniam at openjdk.org>
Date:      2025-10-22 16:28:20 +0000
URL:       https://git.openjdk.org/jdk21u-dev/commit/13f88dceb199f0ecc299e6de8a8a5f93996213be

8355387: [jittester] Disable downcasts by default

Backport-of: b41e0b17490b203b19787a0d0742318fc0d03b33

! test/hotspot/jtreg/testlibrary/jittester/src/jdk/test/lib/jittester/ProductionParams.java