[lworld] RFR: 8253218 ClassFileParser hits assert(klass->access_flags().is_inline_t…

[Harold Seigel]

Please review this fix for JDK-8253218.  The fix throws a ClassFormatError exception if a class file, with an old class
file version, contains a Q signature.

The fix was tested with tiers 1-2 on Windows, Linux x64, and MacOS, and tiers 3-5 on Linux x64.

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Commit messages:
 - 8253218 ClassFileParser hits assert(klass->access_flags().is_inline_type()) failed: Value type expected

Changes: https://git.openjdk.java.net/valhalla/pull/191/files
 Webrev: https://webrevs.openjdk.java.net/?repo=valhalla&pr=191&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8253218
  Stats: 170 lines in 3 files changed: 168 ins; 1 del; 1 mod
  Patch: https://git.openjdk.java.net/valhalla/pull/191.diff
  Fetch: git fetch https://git.openjdk.java.net/valhalla pull/191/head:pull/191

PR: https://git.openjdk.java.net/valhalla/pull/191