git: openjdk/jdk17u-dev: 8350106: [PPC] Avoid ticks_unknown_not_Java AsyncGetCallTrace() if JavaFrameAnchor::_last_Java_pc not set

[Richard Reingruber]

Changeset: c363d3f1
Branch: master
Author:    Richard Reingruber <rrich at openjdk.org>
Date:      2025-10-03 06:22:17 +0000
URL:       https://git.openjdk.org/jdk17u-dev/commit/c363d3f14fda2945021ea374383a660964b2b1c4

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

Reviewed-by: mdoerr
Backport-of: d5908231ebc16f443b3fc9b2ebf03cc4deb67373

! src/hotspot/os_cpu/aix_ppc/thread_aix_ppc.cpp
! src/hotspot/os_cpu/linux_ppc/thread_linux_ppc.cpp