java 8 diamonds: include constructor's type parameters in inference constraints (IDEA-160918)

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/diamond/ParameterizedConstructorWithDiamonds.java

@@ -0,0 +1,18 @@
+import java.util.List;
+import java.util.function.Function;
+
+public class RunnableGroup<R extends Runnable> implements Runnable {
+  public <T> RunnableGroup(List<T> list, Function<T, R> function) {}
+  @Override public void run() {}
+}
+
+class Usage {
+
+  public static void m(List<Integer> list,
+                       Function<Integer, Runnable> function) {
+    run(new RunnableGroup<>(list, function));
+  }
+
+  static <K extends Runnable> K run(K runnable) { return runnable; }
+
+}