testdata for IDEA-138752

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/newMethodRef/IDEA138752.java

@@ -0,0 +1,14 @@
+
+import java.util.Map;
+import static java.util.stream.Collectors.toMap;
+
+class Test {
+  Map<? extends Enum<?>, String> getValueByEnum() {
+    return null;
+  }
+
+  Map<String, ? extends Enum<?>> getEnumByValue() {
+    return getValueByEnum().entrySet().stream()
+      .collect(toMap(Map.Entry::getValue, Map.Entry::getKey));
+  }
+}

java/java-tests/testSrc/com/intellij/codeInsight/daemon/lambda/NewMethodRefHighlightingTest.java

@@ -434,6 +434,10 @@ public class NewMethodRefHighlightingTest extends LightDaemonAnalyzerTestCase {
     doTest();
   }
 
+  public void testIDEA138752() throws Exception {
+    doTest();
+  }
+
   private void doTest() {
     doTest(false);
   }