git: openjdk/jdk21u-dev: master: 8350106: [PPC] Avoid ticks_unknown_not_Java AsyncGetCallTrace() if JavaFrameAnchor::_last_Java_pc not set

[Richard Reingruber]

Changeset: d5908231
Branch: master
Author:    Richard Reingruber <rrich at openjdk.org>
Date:      2025-07-22 06:49:33 +0000
URL:       https://git.openjdk.org/jdk21u-dev/commit/d5908231ebc16f443b3fc9b2ebf03cc4deb67373

8350106: [PPC] Avoid ticks_unknown_not_Java AsyncGetCallTrace() if JavaFrameAnchor::_last_Java_pc not set

Reviewed-by: phh
Backport-of: 030c85de1376123615e804f98084cb3723205819

! src/hotspot/os_cpu/aix_ppc/javaThread_aix_ppc.cpp
! src/hotspot/os_cpu/linux_ppc/javaThread_linux_ppc.cpp