Integrated: 8258961: move some fields of SafePointNode from public to protected

[Xin Liu]

On Mon, 28 Dec 2020 09:48:29 GMT, Xin Liu <xliu at openjdk.org> wrote:

> Declare VMStructs is a friend of SafePointNode so we can move some fields from public zone to protected zone. 
> Clean up the forward declaration section in callnode.hpp. Lock/Unlock Nodes are subclasses of AbstractLockNode.

This pull request has now been integrated.

Changeset: 533a2d39
Author:    Xin Liu <xliu at openjdk.org>
Committer: Vladimir Kozlov <kvn at openjdk.org>
URL:       https://git.openjdk.java.net/jdk/commit/533a2d39
Stats:     67 lines in 5 files changed: 25 ins; 22 del; 20 mod

8258961: move some fields of SafePointNode from public to protected

Reviewed-by: thartmann, kvn

-------------

PR: https://git.openjdk.java.net/jdk/pull/1899