[jdk13u-dev] RFR: 8243290: Improve diagnostic messages for class verification and redefinition failures

[Ekaterina Vergizova]

I'd like to backport 8243290 to 13u for parity with 11u.
The patch applies cleanly.
Tested with tier1.

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Commit messages:
 - Backport ac4603144da1d763b97900747d0e83a59ad06ba7

Changes: https://git.openjdk.java.net/jdk13u-dev/pull/95/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk13u-dev&pr=95&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8243290
  Stats: 19 lines in 2 files changed: 17 ins; 0 del; 2 mod
  Patch: https://git.openjdk.java.net/jdk13u-dev/pull/95.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk13u-dev pull/95/head:pull/95

PR: https://git.openjdk.java.net/jdk13u-dev/pull/95