cps_ir: interceptor calling convention, operator== prologue

pkg/compiler/lib/src/js_backend/codegen/task.dart

Index: pkg/compiler/lib/src/js_backend/codegen/task.dart
diff --git a/pkg/compiler/lib/src/js_backend/codegen/task.dart b/pkg/compiler/lib/src/js_backend/codegen/task.dart
index db85809856ceb6ad24979ad4863bfadf7143d86a..9c5756486eff1ed2e6fca8ce3444f81a32c980ea 100644
--- a/pkg/compiler/lib/src/js_backend/codegen/task.dart
+++ b/pkg/compiler/lib/src/js_backend/codegen/task.dart
@@ -110,13 +110,6 @@ class CpsFunctionCompiler implements FunctionCompiler {
     if (cpsNode == null) {
       giveUp('unable to build cps definition of $element');
     }
-    if (element.isInstanceMember && !element.isGenerativeConstructorBody) {
-      Selector selector = new Selector.fromElement(cpsNode.element);
-      if (glue.isInterceptedSelector(selector)) {
-        giveUp('cannot compile methods that need interceptor calling '
-            'convention.');
-      }
-    }
     traceGraph("IR Builder", cpsNode);
     new UnsugarVisitor(glue).rewrite(cpsNode);
     traceGraph("Unsugaring", cpsNode);