graph inference: accept raw inference when return type was erased (IDEA-119844)

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/graphInference/ErasedByReturnConstraint.java

@@ -0,0 +1,16 @@
+import java.util.List;
+
+public class Bug
+{
+
+  void foo(List<I> futures, I1<Object> callable){
+    futures.add(submit(callable));
+  }
+
+  <T> I<T> submit(I1<T> task){
+    return null;
+  }
+
+  interface I<TI>{}
+  interface I1<TI2>{}
+}