Fix for issue 10839, use the class in order to trigger compilation.

tests/language/field1_negative_test.dart

Index: tests/language/field1_negative_test.dart
===================================================================
--- tests/language/field1_negative_test.dart	(revision 23161)
+++ tests/language/field1_negative_test.dart	(working copy)
@@ -4,7 +4,6 @@
 // Dart test to catch error reporting bugs in class fields declarations.
 // Should be an error because we have setter/getter functions and fields
 // in the class.
-// VMOptions=--compile_all
 
 class C {
   var a;
@@ -27,6 +26,7 @@
 
 class Field1NegativeTest {
   static testMain() {
+    var c = new C();
   }
 }