git: openjdk/jdk17u-dev: 8296912: C2: CreateExNode::Identity fails with assert(i < _max) failed: oob: i=1, _max=1

[Goetz Lindenmaier]

Changeset: ad04159c
Author:    Goetz Lindenmaier <goetz at openjdk.org>
Date:      2023-01-09 16:24:29 +0000
URL:       https://git.openjdk.org/jdk17u-dev/commit/ad04159cf4071c63a4a625ddb9e02ba70ad7341c

8296912: C2: CreateExNode::Identity fails with assert(i < _max) failed: oob: i=1, _max=1

Backport-of: 502fa3eeea849cfcc50436602be1654695ef4e26

! src/hotspot/share/opto/cfgnode.cpp
! test/hotspot/jtreg/compiler/c2/TestDeadDataLoop.java