RFR: 8364: Fix JULONG handling to set stackdepth value

[Hélios GILLES]

Fix JULONG handling to set stackdepth value

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Commit messages:
 - Fix JULONG handling to set stackdepth value

Changes: https://git.openjdk.org/jmc/pull/630/files
  Webrev: https://webrevs.openjdk.org/?repo=jmc&pr=630&range=00
  Issue: https://bugs.openjdk.org/browse/JMC-8364
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jmc/pull/630.diff
  Fetch: git fetch https://git.openjdk.org/jmc.git pull/630/head:pull/630

PR: https://git.openjdk.org/jmc/pull/630