RFR: 8362972: C2 fails with unexpected node in SuperWord truncation: IsFiniteF, IsFiniteD

[Wang Haomin]

Same as  https://bugs.openjdk.org/browse/JDK-8362171 , so  I've added `IsFiniteF`, `IsFiniteD` to the assert switch.

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Commit messages:
 - 8362972: C2 fails with unexpected node in SuperWord truncation: IsFiniteF, IsFiniteD

Changes: https://git.openjdk.org/jdk/pull/26423/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=26423&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8362972
  Stats: 2 lines in 1 file changed: 2 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/26423.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/26423/head:pull/26423

PR: https://git.openjdk.org/jdk/pull/26423