[lworld] RFR: 8275606: [lworld] ClassInitializationFailuresTest triggers assert with -XX:-UseTLAB

[Frederic Parain]

Please review those small changes fixing the handling of values with a class that failed to initialized properly.
Changes in the test file are only code formatting.
Tested with Mach5, tiers 1 to 3.

Thank you,

Fred

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Commit messages:
 - Fix handling of values with failed class initialization

Changes: https://git.openjdk.java.net/valhalla/pull/574/files
 Webrev: https://webrevs.openjdk.java.net/?repo=valhalla&pr=574&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8275606
  Stats: 41 lines in 3 files changed: 4 ins; 1 del; 36 mod
  Patch: https://git.openjdk.java.net/valhalla/pull/574.diff
  Fetch: git fetch https://git.openjdk.java.net/valhalla pull/574/head:pull/574

PR: https://git.openjdk.java.net/valhalla/pull/574