[jdk11u-dev] RFR: 8312573: Failure during CompileOnly parsing leads to ShouldNotReachHere

[Andrew Lu]

I backport this for parity with 11.0.22-oracle.

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Commit messages:
 - Backport 6f76b65ace50b2361221dddab120e91b057497c1

Changes: https://git.openjdk.org/jdk11u-dev/pull/2169/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=2169&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8312573
  Stats: 67 lines in 2 files changed: 52 ins; 11 del; 4 mod
  Patch: https://git.openjdk.org/jdk11u-dev/pull/2169.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u-dev.git pull/2169/head:pull/2169

PR: https://git.openjdk.org/jdk11u-dev/pull/2169