new inference: do not accept varargs when array is passed there

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

@@ -0,0 +1,10 @@
+import java.util.Set;
+
+class FooBar {
+  Set<String> strings = null;
+  {
+    bar(strings.toArray(new String[strings.size()]));
+  }
+
+  void bar(String... a){}
+}