[jdk17u-dev] RFR: 8285820: C2: LCM prioritizes locally dependent CreateEx nodes over projections after 8270090 [v3]

[Goetz Lindenmaier]

> I backport this for parity with 17.0.5-oracle.

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. The pull request contains three additional commits since the last revision:

 - Merge branch 'master' into goetz_backport_8285820
 - Backport 89392fb15e9652b7b562b3511f79bda725c5499c
 - Backport 8ebea443f333ecf79d6b0fc725ededb231e83ed5

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

Changes:
  - all: https://git.openjdk.org/jdk17u-dev/pull/442/files
  - new: https://git.openjdk.org/jdk17u-dev/pull/442/files/7debafbd..88889550

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk17u-dev&pr=442&range=02
 - incr: https://webrevs.openjdk.java.net/?repo=jdk17u-dev&pr=442&range=01-02

  Stats: 1087 lines in 23 files changed: 720 ins; 244 del; 123 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/442.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev pull/442/head:pull/442

PR: https://git.openjdk.org/jdk17u-dev/pull/442