git: openjdk/jdk17u-dev: 8292602: ZGC: C2 late barrier analysis uses invalid dominator information

[Goetz Lindenmaier]

Changeset: 330105c9
Author:    Goetz Lindenmaier <goetz at openjdk.org>
Date:      2023-01-02 12:49:30 +0000
URL:       https://git.openjdk.org/jdk17u-dev/commit/330105c9d2e038e732d8a2ff37ac4462ee6f1683

8292602: ZGC: C2 late barrier analysis uses invalid dominator information

Backport-of: eec992c6b0ac77d08478d852a80c9470418d925d

! src/hotspot/share/opto/block.cpp
! src/hotspot/share/opto/block.hpp
! src/hotspot/share/opto/compile.cpp
! src/hotspot/share/opto/idealGraphPrinter.cpp