[jdk17u-dev] RFR: 8271956: AArch64: C1 build failed after JDK-8270947

[Goetz Lindenmaier]

I backport this for parity with 17.0.6-oracle.

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Commit messages:
 - Backport b84a9c7b377282bd9b3d9ac78707f0c12f8dc53d

Changes: https://git.openjdk.org/jdk17u-dev/pull/797/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=797&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8271956
  Stats: 1 line in 1 file changed: 1 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/797.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev pull/797/head:pull/797

PR: https://git.openjdk.org/jdk17u-dev/pull/797