[jdk11u-dev] RFR: 8271956: AArch64: C1 build failed after JDK-8270947

[Xin Liu]

8271956: AArch64: C1 build failed after JDK-8270947

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Depends on: https://git.openjdk.org/jdk11u-dev/pull/1504

Commit messages:
 - Backport b84a9c7b377282bd9b3d9ac78707f0c12f8dc53d

Changes: https://git.openjdk.org/jdk11u-dev/pull/1507/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=1507&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/jdk11u-dev/pull/1507.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u-dev pull/1507/head:pull/1507

PR: https://git.openjdk.org/jdk11u-dev/pull/1507