[jdk17u-dev] RFR: 8286660: codestrings gtest fails on AArch64: "udf" in padding

[Goetz Lindenmaier]

I backport this as follow up of [JDK-8264207](https://bugs.openjdk.org/browse/JDK-8264207)

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Depends on: https://git.openjdk.org/jdk17u-dev/pull/3750

Commit messages:
 - Backport 63cace759ee0a913536171d1e498decb517cc71a

Changes: https://git.openjdk.org/jdk17u-dev/pull/3752/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=3752&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8286660
  Stats: 2 lines in 1 file changed: 1 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/3752.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/3752/head:pull/3752

PR: https://git.openjdk.org/jdk17u-dev/pull/3752