Prepare equivalence strategies for testing entities.

pkg/compiler/lib/src/constants/constant_constructors.dart

Index: pkg/compiler/lib/src/constants/constant_constructors.dart
diff --git a/pkg/compiler/lib/src/constants/constant_constructors.dart b/pkg/compiler/lib/src/constants/constant_constructors.dart
index 38a182dcd9f7ab3dca258eaf06c7d98bec50a607..7572883a4028d683f5dd292bbe64623fa9a9a8df 100644
--- a/pkg/compiler/lib/src/constants/constant_constructors.dart
+++ b/pkg/compiler/lib/src/constants/constant_constructors.dart
@@ -291,6 +291,12 @@ class ConstantConstructorComputer extends SemanticVisitor
   }
 
   @override
+  ConstantExpression visitTopLevelFunctionGet(

[Johnni Winther, 2017/01/31 13:05:16]

Needed to handle dart2js_resolver_test on the added code.

+      Send node, MethodElement method, _) {
+    return new FunctionConstantExpression(method);
+  }
+
+  @override
   ConstantExpression visitTopLevelFieldGet(Send node, FieldElement field, _) {
     return new VariableConstantExpression(field);
   }