javac 8/9 inconsistency

[Maurizio Cimadamore]

Use the option

-XDdumpInferenceGraphsTo=<dir>

This will dump a sequence of .dot files into the specified folder (make 
sure to reduce the test case as much as possible to keep the output 
readable).

Maurizio

On 18/02/15 13:15, Anna Kozlova wrote:
>
> Thanks, I’ve saw the issue but was not sure if this sample is covered.
>
> Is it possible to make javac print what bounds it has inferred, what 
> constraints it has processed?
>
> Thanks,
>
> Anna
>
> *From:*Maurizio Cimadamore [mailto:maurizio.cimadamore at oracle.com]
> *Sent:* Wednesday, February 18, 2015 2:03 PM
> *To:* Anna Kozlova; compiler-dev at openjdk.java.net
> *Subject:* Re: javac 8/9 inconsistency
>
> Hi Anna,
> this is an issue we know about; this is the master bug we use to keep 
> track of such issues:
>
> https://bugs.openjdk.java.net/browse/JDK-8039214
>
> We did a bit of back and forth on this and as a result there is a 
> difference between JDK 8 and JDK 9. The end result will be that this 
> code will compile on both, but the fix used in 8 will be (very) 
> different form the one we'll do in 9.
>
> Maurizio
>
> On 18/02/15 11:29, Anna Kozlova wrote:
>
>     *abstract class *FooBoo{
>     {
>     map((Class<? *extends *Annotation> ann) -> getAnnotation(ann));
>     //error
>     map(*this*::getAnnotation);//error
>     }
>
>     *abstract *<A> A getAnnotation(Class<A> annotationClass);
>     *abstract *<R> *void *map(Function<Class<? *extends *Annotation>,
>     ? *extends *R> mapper);
>     }
>
>
> !DSPAM:35,54e48db771362090119686!
>

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