lambda: check formal params for equality, eliminate wildcards during inference according to 15.27.3

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

@@ -0,0 +1,11 @@
+public class Test {
+  interface Predicate<T> {
+    boolean test(T t);
+  }
+
+  {
+    Predicate<? super Integer> p = (Number n) -> n.equals(23);
+    Predicate<Integer> p1 = (<error descr="Incompatible parameter types in lambda expression">Number n</error>) -> n.equals(23);
+    Predicate<Number> p2 = (Number n) -> n.equals(23);
+  }
+}