RFR: 8345296: AArch64: VM crashes with SIGILL when prctl is disallowed [v3]

[Aleksey Shipilev]

On Mon, 2 Dec 2024 17:36:06 GMT, Andrew Haley <aph at openjdk.org> wrote:

> On 12/2/24 17:33, Evgeny Astigeevich wrote: Yes, our implementation of |is_power_of_2| returns |false| for 0.
> Even if it does, callers shouldn't depend on that. Someone might fix it.

Honestly, let's just test for `== 0` directly to close the gap that `%` exposes.

-------------

PR Comment: https://git.openjdk.org/jdk/pull/22479#issuecomment-2512267465