Integrated: 7903582: jdis incorrectly processes a class compiled with the --enable-preview option

[Leonid Kuskov]

This is the fix for [CODETOOLS-7903582](https://bugs.openjdk.org/browse/CODETOOLS-7903582)

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Commit messages:
 - 7903582: dis incorrectly processes a class compiled with the --enable-preview option

Changes: https://git.openjdk.org/asmtools/pull/69/files
 Webrev: https://webrevs.openjdk.org/?repo=asmtools&pr=69&range=00
  Issue: https://bugs.openjdk.org/browse/CODETOOLS-7903582
  Stats: 68 lines in 7 files changed: 27 ins; 3 del; 38 mod
  Patch: https://git.openjdk.org/asmtools/pull/69.diff
  Fetch: git fetch https://git.openjdk.org/asmtools.git pull/69/head:pull/69

PR: https://git.openjdk.org/asmtools/pull/69