git: openjdk/jdk20u: master: 8301123: Enable Symbol refcounting underflow checks in PRODUCT

[Calvin Cheung]

Changeset: 16a3d7bb
Author:    Calvin Cheung <ccheung at openjdk.org>
Date:      2023-03-02 21:50:54 +0000
URL:       https://git.openjdk.org/jdk20u/commit/16a3d7bb6ec2fe248657980335d4dfaa0350ee9e

8301123: Enable Symbol refcounting underflow checks in PRODUCT

Backport-of: fccf818972f15bc4f69ce9566b5cd4b7e7777107

! src/hotspot/share/oops/symbol.cpp
! test/hotspot/gtest/classfile/test_symbolTable.cpp