RFR: 8371341: ZGC: Improve gtest interoperability with instrumented builds (ASAN)

[Martin Doerr]

On Tue, 11 Nov 2025 16:09:38 GMT, Martin Doerr <mdoerr at openjdk.org> wrote:

>> Thanks for the reviews
>
> @xmas92: We have seen an assertion in gtest on Windows:
> 
> #  Internal Error (openjdk-jdk-windows_x86_64-dbg\jdk\src\hotspot\cpu\x86\gc/z/zAddress_x86.inline.hpp:35), pid=37128, tid=26420
> #  assert(index == 0 || is_power_of_2(index)) failed: Incorrect load shift: 15
> 
> Is this related to this change or one of the other ZGC changes which were pushed on the same date?
> I guess we'll need to file a new JBS bug.

> @TheRealMDoerr If you don't mind, then it would be great if you could open a Bug containing the stactrace of the failure.

I've filed [JDK-8371698](https://bugs.openjdk.org/browse/JDK-8371698). Unfortunately, the stack trace is broken due to missing debug info. I'll update if we can reproduce it with having that fixed.

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PR Comment: https://git.openjdk.org/jdk/pull/28159#issuecomment-3521068029