[jdk11u-dev] RFR: 8270090: C2: LCM may prioritize CheckCastPP nodes over projections [v2]

[Goetz Lindenmaier]

> I backport this for parity with 11.0.17-oracle.
> 
> I had to resolve the copyright, will mark as clean.

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 one additional commit since the last revision:

  Backport 8ebea443f333ecf79d6b0fc725ededb231e83ed5

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

Changes:
  - all: https://git.openjdk.org/jdk11u-dev/pull/1178/files
  - new: https://git.openjdk.org/jdk11u-dev/pull/1178/files/b2257fcb..2f78d0c5

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=1178&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=1178&range=00-01

  Stats: 1225 lines in 46 files changed: 1006 ins; 50 del; 169 mod
  Patch: https://git.openjdk.org/jdk11u-dev/pull/1178.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u-dev pull/1178/head:pull/1178

PR: https://git.openjdk.org/jdk11u-dev/pull/1178