[lworld] RFR: 8368795: [lworld] javac rejects assignments to components of array fields with initializers in the prologue

[Vicente Romero]

still a work in progress

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Commit messages:
 - test
 - bug in proxy generation
 - change variable name
 - 8368795: [lworld] javac rejects assignments to components of array fields with initializers in the prologue
 - Merge branch 'lworld' into JDK-8368795
 - Merge branch 'lworld' into JDK-8368795
 - updating test
 - Merge with lworld
 - Merge branch 'lworld' into JDK-8368795
 - 8368795: [lworld] javac rejects assignments to components of array fields with initializers in the prologue

Changes: https://git.openjdk.org/valhalla/pull/1664/files
  Webrev: https://webrevs.openjdk.org/?repo=valhalla&pr=1664&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8368795
  Stats: 143 lines in 3 files changed: 54 ins; 81 del; 8 mod
  Patch: https://git.openjdk.org/valhalla/pull/1664.diff
  Fetch: git fetch https://git.openjdk.org/valhalla.git pull/1664/head:pull/1664

PR: https://git.openjdk.org/valhalla/pull/1664