[jdk17u-dev] RFR: 8296389: C2: PhaseCFG::convert_NeverBranch_to_Goto must handle both orders of successors [v2]

[Goetz Lindenmaier]

> I backport this for parity with 17.0.7-oracle.
> 
> I added nique_ctrl_out_or_null() to workaround 8281732
> missing in 17 in node.hpp
> I include 8298568 to not break the build.

Goetz Lindenmaier has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase.

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Changes:
  - all: https://git.openjdk.org/jdk17u-dev/pull/1059/files
  - new: https://git.openjdk.org/jdk17u-dev/pull/1059/files/16ab3b02..16ab3b02

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=1059&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=1059&range=00-01

  Stats: 0 lines in 0 files changed: 0 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/1059.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev pull/1059/head:pull/1059

PR: https://git.openjdk.org/jdk17u-dev/pull/1059