RFR: 8357793: [PPC64] VM crashes with -XX:-UseSIGTRAP -XX:-ImplicitNullChecks

[Aleksey Shipilev]

On Wed, 28 May 2025 17:00:48 GMT, Martin Doerr <mdoerr at openjdk.org> wrote:

> In case of -XX:-UseSIGTRAP -XX:-ImplicitNullChecks, we use the manually selected entry. (The same is true for -XX:-TrapBasedNullChecks -XX:-ImplicitNullChecks.)
> We only need to use the correct NullPointerException entry in the compiler case.
> 
> With this patch, the manually selected entry matches the one selected by `PosixSignals::pd_hotspot_signal_handler`.

Not sure if you are looking for reviews outside normal PPC maintainer circle, but this looks entirely reasonable.

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

Marked as reviewed by shade (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/25504#pullrequestreview-2875830917