hg: jdk-updates/jdk11u-dev: 8257828: SafeFetch may crash if invoked in non-JavaThreads

[thomas.stuefe at gmail.com]

Changeset: eb94646e9e44
Author:    stuefe
Date:      2021-05-20 06:53 +0200
URL:       https://hg.openjdk.java.net/jdk-updates/jdk11u-dev/rev/eb94646e9e44

8257828: SafeFetch may crash if invoked in non-JavaThreads
Reviewed-by: mdoerr, kbarrett, coleenp, dholmes

! src/hotspot/os/windows/os_windows.cpp
! src/hotspot/os_cpu/bsd_x86/os_bsd_x86.cpp
! src/hotspot/os_cpu/linux_aarch64/os_linux_aarch64.cpp
! src/hotspot/os_cpu/linux_arm/os_linux_arm.cpp
! src/hotspot/os_cpu/linux_x86/os_linux_x86.cpp
! src/hotspot/os_cpu/solaris_sparc/os_solaris_sparc.cpp
! src/hotspot/os_cpu/solaris_x86/os_solaris_x86.cpp
+ test/hotspot/gtest/runtime/test_safefetch.cpp