RFR: 8345285: [s390x] test failures: foreign/normalize/TestNormalize.java with C2

[Andrew Haley]

On Tue, 21 Jan 2025 10:39:02 GMT, Martin Doerr <mdoerr at openjdk.org> wrote:

> Upcall stub frames and entry frames are always below the bottom frame.

Can you please explain this a little more? It's very confusing. Why is the logic here different from, say, x86 and AArch64? I guess it must be some difference to do with the shape of upcall stub frames and entry frames. Thanks.

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PR Comment: https://git.openjdk.org/jdk/pull/23197#issuecomment-2606752714