RFR: 8275677: Test fails due to truncated hs_err file

[David Holmes]

This failure has not reproduced in mainline for a long while but as a preventative measure, at the suggestion of @JesperIRL , I've made a slight change to the register printing so that we always print the raw value before we start trying to figure out what it points to. That may shed some light on any future truncation.

Testing tiers 1-3 and manual inspection of hs_err files produced by tests

Thanks

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Commit messages:
 - 8275677: Test fails due to truncated hs_err file

Changes: https://git.openjdk.org/jdk/pull/16804/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=16804&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8275677
  Stats: 19 lines in 1 file changed: 8 ins; 0 del; 11 mod
  Patch: https://git.openjdk.org/jdk/pull/16804.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/16804/head:pull/16804

PR: https://git.openjdk.org/jdk/pull/16804