diamonds with anonymous: ensure base type calculated over tree cause too much context should be created otherwise (IDEA-166600)

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/advHighlighting9/DiamondsWithAnonymousDiamond.java

@@ -0,0 +1,11 @@
+
+class Outer {
+  Comparable<String> f() {
+    return new Comparable<>() {
+      @Override
+      public int compareTo(String o) {
+        return 0;
+      }
+    };
+  }
+}