new inference: propagate outer method to constraints, initial (IDEA-117803)

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/newLambda/OuterMethodPropagation.java

@@ -0,0 +1,17 @@
+public class Tmp
+{
+  interface BiFunction<T, U, R> {
+    R apply(T t, U u);
+  }
+
+  interface Sequence<T>
+  {
+    <R> Sequence<R> scan(R init, BiFunction<R, T, R> func);
+  }
+
+  static <T> void foo(Sequence<T> sequence){}
+
+  void test(Sequence<String> strings) {
+    foo(strings.scan(1, (i, s) -> 1));
+  }
+}