[master] RFR: Back out hashcode trimming

[Roman Kennke]

I accidentally pushed a change in the mess around #1 that I did not mean to push now. I want to back out the trimming of i-hashcode and push it separately later.

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Commit messages:
 - Back out hashcode trimming

Changes: https://git.openjdk.java.net/lilliput/pull/2/files
 Webrev: https://webrevs.openjdk.java.net/?repo=lilliput&pr=2&range=00
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/lilliput/pull/2.diff
  Fetch: git fetch https://git.openjdk.java.net/lilliput pull/2/head:pull/2

PR: https://git.openjdk.java.net/lilliput/pull/2