method refs: correct condition on receiver type substitution (IDEA-129905)

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

@@ -0,0 +1,11 @@
+import java.util.concurrent.ConcurrentMap;
+import java.util.function.Function;
+import java.util.stream.Stream;
+
+abstract class Test {
+  public void foo(final ConcurrentMap<String, String> pMap) {
+    map(pMap::get);
+  }
+
+  abstract <R> Stream<R> map(Function<Object, R> mapper);
+}

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

@@ -312,6 +312,10 @@ public class NewMethodRefHighlightingTest extends LightDaemonAnalyzerTestCase {
     doTest();
   }
 
+  public void testReceiverTypeSubstitution() throws Exception {
+    doTest();
+  }
+
   private void doTest() {
     doTest(false);
   }