[11u] RFR(M): 8233787 backport: Break cycle in vm_version* includes

Schmidt, Lutz lutz.schmidt at sap.com
Tue Apr 13 07:51:04 UTC 2021

Dear Community, 

I would appreciate receiving reviews for this downport change. It consists of many modified files. In most cases, it’s only #include statement changes, caused by factoring out abstract_vm_version.{c|h}pp from vm_version.{c|h}pp. The change did not apply cleanly, for the most part because of this split. The other merge conflicts were trivial (include rearrangement and copyright headers). 

Original bug:          https://bugs.openjdk.java.net/browse/JDK-8233787 
Downport webrev:       https://cr.openjdk.java.net/~lucy/webrevs/8233787.11u.01/
Merge conflicts:       https://cr.openjdk.java.net/~lucy/webrevs/8233787-jdk11u.conflicts 
Conflict resolve diff: https://cr.openjdk.java.net/~lucy/webrevs/8233787-jdk11u.conflictresolve 

SAP's internal build and test farm (all OpenJDK platforms (no 32-bit), and more). Tests include JCK, jtreg (hotspot and jdk), and SAP-private tests. No issues found.

Your effort is very much appreciated!


P.S.: build-dev on CC: because a small build change is included.

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