RFR: 8358231: Template interpreter generator crashes with ShouldNotReachHere on some platforms after 8353686

[Martin Doerr]

Trivial build fix for PPC64 and s390. I haven't seen more affected platforms.

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Commit messages:
 - 8358231: Template interpreter generator crashes with ShouldNotReachHere on some platforms after 8353686

Changes: https://git.openjdk.org/jdk/pull/25568/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=25568&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8358231
  Stats: 2 lines in 2 files changed: 2 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/25568.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/25568/head:pull/25568

PR: https://git.openjdk.org/jdk/pull/25568