RFR: 8325937: runtime/handshake/HandshakeDirectTest.java causes "monitor end should be strictly below the frame pointer" assertion failure on AArch64

[Patricio Chilano Mateo]

On Wed, 2 Oct 2024 09:27:28 GMT, Andrew Haley <aph at openjdk.org> wrote:

> If accesses can move out of a critical section then it completely breaks locking! Locking is supposed to provide roach-motel semantics: you can move in but never out.
>
Right, and that's still true here. The problem is that the write to arm the poll is being moved inside the critical section and is reordered with the read of the thread state. No accesses are moving out of the critical region.

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PR Comment: https://git.openjdk.org/jdk/pull/21295#issuecomment-2389810811