8286660: codestrings gtest fails on AArch64: "udf" in padding

[GoeLin]

I backport this as follow up of JDK-8264207

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Progress

• Change must not contain extraneous whitespace
• JDK-8286660 needs maintainer approval
• Commit message must refer to an issue

Integration blocker

 ⚠️ Dependency #3750 must be integrated first

Warning

 ⚠️ Found leading lowercase letter in issue title for 8286660: codestrings gtest fails on AArch64: "udf" in padding

Issue

• JDK-8286660: codestrings gtest fails on AArch64: "udf" in padding (Bug - P4 - Requested)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk17u-dev.git pull/3752/head:pull/3752
$ git checkout pull/3752

Update a local copy of the PR:
$ git checkout pull/3752
$ git pull https://git.openjdk.org/jdk17u-dev.git pull/3752/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 3752

View PR using the GUI difftool:
$ git pr show -t 3752

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk17u-dev/pull/3752.diff

Using Webrev

Link to Webrev Comment

[bridgekeeper]

👋 Welcome back goetz! A progress list of the required criteria for merging this PR into pr/3750 will be added to the body of your pull request. There are additional pull request commands available for use with this pull request.

[openjdk]

❗ This change is not yet ready to be integrated.
See the Progress checklist in the description for automated requirements.

[openjdk]

This backport pull request has now been updated with issue from the original commit.

[mlbridge]

Webrevs

• 00: Full (d80367ce)