cps_ir: interceptor calling convention, operator== prologue

pkg/compiler/lib/src/cps_ir/cps_ir_builder_task.dart

Index: pkg/compiler/lib/src/cps_ir/cps_ir_builder_task.dart
diff --git a/pkg/compiler/lib/src/cps_ir/cps_ir_builder_task.dart b/pkg/compiler/lib/src/cps_ir/cps_ir_builder_task.dart
index f375244f3497cb446fab74d606a49fe8e9903144..f728efa2c4bc13bdef11fa425b47a65356f065c6 100644
--- a/pkg/compiler/lib/src/cps_ir/cps_ir_builder_task.dart
+++ b/pkg/compiler/lib/src/cps_ir/cps_ir_builder_task.dart
@@ -57,6 +57,10 @@ class IrBuilderTask extends CompilerTask {
   }
 
   ir.ExecutableDefinition buildNode(AstElement element) {
+    return measure(() => _buildNode(element));
+  }
+
+  ir.ExecutableDefinition _buildNode(AstElement element) {
     if (!canBuild(element)) return null;
 
     TreeElements elementsMapping = element.resolvedAst.elements;
@@ -84,7 +88,7 @@ class IrBuilderTask extends CompilerTask {
   void buildNodes() {
     measure(() {
       Set<Element> resolved = compiler.enqueuer.resolution.resolvedElements;
-      resolved.forEach(buildNode);
+      resolved.forEach(_buildNode);
     });
   }
 
@@ -2468,6 +2472,8 @@ class JsIrBuilderVisitor extends IrBuilderVisitor {
   }
 
   ir.FunctionDefinition buildFunction(FunctionElement element) {
+    Selector selector = new Selector.fromElement(element);

[Kevin Millikin (Google), 2015/03/26 15:14:16]

Inadvertent change?  selector is only used in the commented-out code below.

+      //if (glue.isInterceptedSelector(selector)) {
     assert(invariant(element, element.isImplementation));
     ast.FunctionExpression node = element.node;