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https://issues.apache.org/jira/browse/GROOVY-10327?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Eric Milles reassigned GROOVY-10327:
------------------------------------
Assignee: Eric Milles
> Compiler crash when combining closure with function reference
> -------------------------------------------------------------
>
> Key: GROOVY-10327
> URL: https://issues.apache.org/jira/browse/GROOVY-10327
> Project: Groovy
> Issue Type: Bug
> Components: Static compilation, Static Type Checker
> Affects Versions: 4.0.0-beta-1
> Reporter: Stefanos Chaliasos
> Assignee: Eric Milles
> Priority: Major
>
> I have the following Groovy program.
> {code:groovy}
> import java.util.function.Function;
> @groovy.transform.TypeChecked
> class A<X, Y> {
> void a() {
> Closure<Integer> x = { Function<Integer, Integer> x -> 1};
> B b = new B();
> x(b::b);
> }
> }
> class B {
> Integer b(Integer x) { return null; }
> }
> {code}
> h2. Actual Behavior
> The compiler crashes with the following stacktrace.
> {code:java}
> >>> a serious error occurred: null
> >>> stacktrace:
> java.lang.StackOverflowError
> at
> java.base/java.util.stream.MatchOps$1MatchSink.accept(MatchOps.java:90)
> at
> java.base/java.util.LinkedList$LLSpliterator.tryAdvance(LinkedList.java:1253)
> at
> java.base/java.util.stream.ReferencePipeline.forEachWithCancel(ReferencePipeline.java:127)
> at
> java.base/java.util.stream.AbstractPipeline.copyIntoWithCancel(AbstractPipeline.java:502)
> at
> java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:488)
> at
> java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474)
> at
> java.base/java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:230)
> at
> java.base/java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:196)
> at
> java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
> at
> java.base/java.util.stream.ReferencePipeline.noneMatch(ReferencePipeline.java:538)
> at
> org.codehaus.groovy.transform.stc.StaticTypeCheckingVisitor.inferMethodReferenceType(StaticTypeCheckingVisitor.java:3681)
> at
> org.codehaus.groovy.transform.stc.StaticTypeCheckingVisitor.visitMethodCallArguments(StaticTypeCheckingVisitor.java:2794)
> at
> org.codehaus.groovy.transform.stc.StaticTypeCheckingVisitor.inferMethodReferenceType(StaticTypeCheckingVisitor.java:3708)
> at
> org.codehaus.groovy.transform.stc.StaticTypeCheckingVisitor.visitMethodCallArguments(StaticTypeCheckingVisitor.java:2794)
> {code}
> h2. Expected Behavior
> Compile successfully.
> h2. Comment
> Tested against 4-beta-1, and master (commit:
> 868dabf9fadbddd13c7e8859556e4ed2796f7e1b).
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