[GROOVY-8917] Failed to infer parameter type of some SAM, e.g. BinaryOperator - ASF JIRA

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Details

Type: Bug
Status: Closed
Priority: Major
Resolution: Fixed
Affects Version/s: None
Fix Version/s: 3.0.0-alpha-4
Component/s: None
Labels:
None

Description

        import groovy.transform.CompileStatic
        import java.util.stream.Collectors
        import java.util.stream.Stream
        
        @CompileStatic
        public class Test1 {
            public static void main(String[] args) {
                p();
            }
            
            public static void p() {
                // If we do not explicitly declare the type of parameter, STC fails
                assert 13 == [1, 2, 3].stream().reduce(7, (Integer r, Integer e) -> r + e);
            }
        }