lambda: get info for return types from type arguments

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/highlighting/InferFromTypeArgs.java

@@ -0,0 +1,16 @@
+import java.util.*;
+public class BugReportLambdaSquiggles<T> {
+
+  private T t;
+  public <V> List<V> flatMap(Mapper<T, List<V>> mapper) {
+    return mapper.map(t);
+  }
+
+  static void bar( BugReportLambdaSquiggles<Integer> x) {
+    x.flatMap(t1 -> new ArrayList<String>(t1));
+  }
+
+  interface Mapper<T, U> {
+    U map(T t);
+  }
+}