git: openjdk/jdk17: 8269661: JNI_GetStringCritical does not lock char array

[Kim Barrett]

Changeset: 0f4e07b7
Author:    Kim Barrett <kbarrett at openjdk.org>
Date:      2021-07-06 07:40:56 +0000
URL:       https://git.openjdk.java.net/jdk17/commit/0f4e07b7d9190dd44b2fd65eff58fb6ec983a467

8269661: JNI_GetStringCritical does not lock char array
8269650: Optimize gc-locker in [Get|Release]StringCritical for latin string

Reviewed-by: dholmes, tschatzl

! src/hotspot/share/gc/shared/stringdedup/stringDedup.cpp
! src/hotspot/share/gc/shared/stringdedup/stringDedup.hpp
! src/hotspot/share/prims/jni.cpp