new inference: initial tests

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/genericsHighlighting8/IDEA57877.java

@@ -0,0 +1,8 @@
+import java.util.*;
+
+class Test {
+  {
+    Object obj = new Object();
+    <error descr="Incompatible types. Found: 'java.util.Set<java.lang.Class<capture<? extends java.lang.Object>>>', required: 'java.util.Set<java.lang.Class<?>>'">Set<Class<?>> types = Collections.singleton(obj.getClass());</error>
+  }
+}