[jdk17u-dev] RFR: 8338100: C2: assert(!n_loop->is_member(get_loop(lca))) failed: control must not be back in the loop [v2]

[Goetz Lindenmaier]

> I backport this for parity with 17.0.15-oracle.
> 
> Two trivial resolved due to context changes.

Goetz Lindenmaier has refreshed the contents of this pull request, and previous commits have been removed. The incremental views will show differences compared to the previous content of the PR. The pull request contains one new commit since the last revision:

  Backport e203df46faf610e35e2c2510271ad68199f4fa3f

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Changes:
  - all: https://git.openjdk.org/jdk17u-dev/pull/3123/files
  - new: https://git.openjdk.org/jdk17u-dev/pull/3123/files/d8addd30..e0d01d7d

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=3123&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=3123&range=00-01

  Stats: 239 lines in 4 files changed: 239 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/3123.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/3123/head:pull/3123

PR: https://git.openjdk.org/jdk17u-dev/pull/3123