Integrated: 8364202: CDS without G1 gives build error in slowdebug, asserts in fastdebug

[Thomas Stuefe]

On Tue, 29 Jul 2025 06:14:46 GMT, Thomas Stuefe <stuefe at openjdk.org> wrote:

> This patch fixes two problems:
> 
> - when building without INCLUDE_CDS_JAVA_HEAP (disabling G1 at configure, or building 32-bit), we get a linker error in slowdebug.
> - when running with CDS, but without INCLUDE_CDS_JAVA_HEAP, we initialize CompressedKlassPointers via the "lenient" route where we allow optimized encoding base choice. This can lead to zero-based encoding, in which case we should not attempt to setup a protection zone at the start of the encoding range.

This pull request has now been integrated.

Changeset: 164d0368
Author:    Thomas Stuefe <stuefe at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/164d0368f608ff43789d2abd96cd0f5449458122
Stats:     19 lines in 5 files changed: 12 ins; 2 del; 5 mod

8364202: CDS without G1 gives build error in slowdebug, asserts in fastdebug

Reviewed-by: ccheung, iklam

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PR: https://git.openjdk.org/jdk/pull/26523