In the log for most SA tests on macos-aarch64-debug, you will see something 
like:


STDOUT: 
Executable=/System/Volumes/Data/mesos/work_dir/jib-master/install/2022-12-07-2219530.chris.plummer.jdk/macosx-aarch64-debug.jdk/jdk-20/fastdebug/bin/java
...
STDOUT: CodeDirectory v=20400 size=758 flags=0x2(adhoc) hashes=13+7 
location=embedded
STDOUT: Signature=adhoc
...
Could not confirm if TargetJDK is hardened. Assuming not hardened.


The message at the end shouldn't be happening. The problem is in 
`Platform.isHardenedOSX()`, which is searching for 
"flags=0x20002(adhoc,linker-signed)", but instead we are seeing 
"flags=0x2(adhoc)". This is due to 
[JDK-8293550](https://bugs.openjdk.org/browse/JDK-8293550), which is now 
explicitly adding adhoc signing. Previously we just allowed the linker to just 
do the default adhoc signing, which is why you would also see the 
"linker-signed" flag. Since we explicitly do adhoc signing now, "linker-signed" 
is missing.

The fix is to just allow either form. Since it is possible to build without the 
explicit adhoc signing, we still need to support the old form that includes 
"linker-signed".

There seems to be no adverse affects from this bug, other than seeing the above 
message, since the conclusion that the JDK is not hardened is the correct one.

-------------

Commit messages:
 - Allow adhoc signing that is not linker signed.

Changes: https://git.openjdk.org/jdk/pull/11619/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=11619&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8298343
  Stats: 4 lines in 1 file changed: 4 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/11619.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/11619/head:pull/11619

PR: https://git.openjdk.org/jdk/pull/11619

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