[jdk11u-dev] RFR: 8318889: C2: add bailout after assert Bad graph detected in build_loop_late

[Amos Shi]

Backport of [JDK-8318889](https://bugs.openjdk.org/browse/JDK-8318889)
- Clean Backport

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Commit messages:
 - Backport 83eb20651f6b5fa0540a339921c8ad0a6d370bb7

Changes: https://git.openjdk.org/jdk11u-dev/pull/2379/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=2379&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8318889
  Stats: 8 lines in 1 file changed: 6 ins; 2 del; 0 mod
  Patch: https://git.openjdk.org/jdk11u-dev/pull/2379.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u-dev.git pull/2379/head:pull/2379

PR: https://git.openjdk.org/jdk11u-dev/pull/2379