RFR: 8305740: C2: add print statements to assert: Can't determine return type.

[Emanuel Peter]

On Mon, 10 Apr 2023 18:45:19 GMT, Vladimir Kozlov <kvn at openjdk.org> wrote:

>> I added this assert before the bailout, because it probably hides bugs. Now we have failure reports with [JDK-8305185](https://bugs.openjdk.org/browse/JDK-8305185).
>> 
>> It is difficult to reproduce, so I'd like to add some print statements to get at least a bit of info.
>> 
>> Passed tests up to tier5 and stress testing.
>
> Marked as reviewed by kvn (Reviewer).

Thanks for the reviews @vnkozlov @TobiHartmann !

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

PR Comment: https://git.openjdk.org/jdk/pull/13385#issuecomment-1511095166