RFR: 8340205: Native linker allows MemoryLayout consisting of only PaddingLayout [v10]

[Per Minborg]

On Tue, 5 Nov 2024 14:15:24 GMT, Jorn Vernee <jvernee at openjdk.org> wrote:

>> Per Minborg has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Add checks of exception messages
>
> test/jdk/java/foreign/TestLinker.java line 188:
> 
>> 186:             assertEquals(e.getMessage(),
>> 187:                     "The padding layout x2 was preceded by another padding layout x1 in [b1x1x2i4]");
>> 188:         }
> 
> Doesn't `assertThrows` return the exception instance? (which could be used to check the message as well).

Unfortunately not in testng. In JUnit 5 it does.

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PR Review Comment: https://git.openjdk.org/jdk/pull/21041#discussion_r1829447400