inference: check lower bounds to eqBound assignability explicitly (IDEA-204125)

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

@@ -0,0 +1,12 @@
+
+import java.util.*;
+
+class MyTest {
+
+    {
+        List<A<? super Set<String>>> stream =
+                Arrays.asList(new A<Set<?>>(), new A<Set<String>>());
+    }
+
+    static class A<T> { }
+}