git: openjdk/leyden: computed-constants: Add a memory barrier

[duke]

Changeset: 184998a2
Author:    Per Minborg <pminborg at gmail.com>
Date:      2023-08-08 09:33:30 +0000
URL:       https://git.openjdk.org/leyden/commit/184998a2b3b720a6718f0caa2a747f1c24604bdf

Add a memory barrier

! src/java.base/share/classes/jdk/internal/constant/AbstractComputedConstant.java
! src/java.base/share/classes/jdk/internal/constant/ConstantUtil.java
! test/jdk/java/lang/ComputedConstant/BasicComputedConstantTest.java
! test/jdk/java/lang/ComputedConstant/BasicListOfComputedConstantTest.java