RFR: 8323621: JDK build should exclude snippet class in java.lang.foreign

[Chen Liang]

On Fri, 12 Jan 2024 17:31:55 GMT, Erik Joelsson <erikj at openjdk.org> wrote:

>> This PR proposes to remove the snippet files in `java/lang/foreign/snippet-files` from the build.
>
> make/modules/java.base/Java.gmk line 41:
> 
>> 39:     java/lang/classfile/snippet-files \
>> 40:     java/lang/classfile/components/snippet-files \
>> 41:     jdk/lang/foreign/snippet-files
> 
> I can't find this directory in the source tree, but there is a `src/java.base/share/classes/java/lang/foreign/snippet-files`. Is that what you want to exclude?

If possible, we should simply exclude all files in directories that have `-` (minus sign) in their name; this is the intentional design to prevent javac from compiling those classes as package names cannot include `-`.

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PR Review Comment: https://git.openjdk.org/jdk/pull/17403#discussion_r1451650904