GROOVY-8164, GROOVY-11268

Author: eric-milles

base-test/org.eclipse.jdt.groovy.core.tests.builder/src/org/eclipse/jdt/core/groovy/tests/search/StaticInferencingTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2009-2023 the original author or authors.
+ * Copyright 2009-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -681,6 +681,19 @@ public void testStaticReference35() {
         assertKnown(contents, "getName", "Other", "java.lang.Object");
     }
 
+    @Test // GROOVY-8164, GROOVY-11268
+    public void testStaticReference36() {
+        String contents =
+            "abstract class A implements Comparator<A> {\n" +
+            "  def c = comparing(this.&getP)\n" + // interface static method
+            "  int p\n" +
+            "}\n";
+        assertUnknown(contents, "comparing");
+
+        contents = contents.replace("comparing", "Comparator.comparing");
+        assertKnown(contents, "comparing", "java.util.Comparator", "java.util.Comparator<java.lang.Object>");
+    }
+
     //
 
     @Test // GRECLIPSE-855: should be able to find the type, but with unknown confidence

base/org.eclipse.jdt.groovy.core/src/org/eclipse/jdt/groovy/search/SimpleTypeLookup.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2009-2023 the original author or authors.
+ * Copyright 2009-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -793,6 +793,7 @@ protected MethodNode findMethodDeclaration(final String name, final ClassNode de
             MethodNode innerCandidate = null;
             List<MethodNode> candidates = getMethods(name, type);
             candidates.removeIf(m -> m.isPrivate() && !m.getDeclaringClass().equals(declaringType)); // GROOVY-8859
+            if (type.isInterface() && !Traits.isTrait(type) && !type.equals(declaringType)) candidates.removeIf(m -> m.isStatic()); // GROOVY-8164
             if (!candidates.isEmpty()) {
                 innerCandidate = findMethodDeclaration0(candidates, argumentTypes, isStaticExpression);
                 if (innerCandidate != null && outerCandidate == null) {