[lworld] RFR: 8294229: [lworld] sun.jvm.hotspot.interpreter.Bytecodes refers to defaultvalue (not aconst_init)

[David Simms]

Renamed to aconst_init

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Commit messages:
 - 8294229: [lworld] sun.jvm.hotspot.interpreter.Bytecodes refers to defaultvalue (not aconst_init)

Changes: https://git.openjdk.org/valhalla/pull/767/files
 Webrev: https://webrevs.openjdk.org/?repo=valhalla&pr=767&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8294229
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/valhalla/pull/767.diff
  Fetch: git fetch https://git.openjdk.org/valhalla pull/767/head:pull/767

PR: https://git.openjdk.org/valhalla/pull/767