dart2js: add compiler builtins to the core-runtime.

pkg/compiler/lib/src/ssa/builder.dart

Index: pkg/compiler/lib/src/ssa/builder.dart
diff --git a/pkg/compiler/lib/src/ssa/builder.dart b/pkg/compiler/lib/src/ssa/builder.dart
index c1d5d55f95748982b51a36bdcc6e7dbdfeea6726..f7a0601889a73a8ba36d8b2be03a1bc88970995d 100644
--- a/pkg/compiler/lib/src/ssa/builder.dart
+++ b/pkg/compiler/lib/src/ssa/builder.dart
@@ -3753,6 +3753,10 @@ class SsaBuilder extends ResolvedVisitor {
                 argument, string.dartString.slowToString())));
   }
 
+  void handleForeignJsCompilerMacro(ast.Send node) {
+    throw new UnimplementedError("handleForeignJsCompilerMacro");
+  }
+
   void handleForeignJsEmbeddedGlobal(ast.Send node) {
     List<ast.Node> arguments = node.arguments.toList();
     ast.Node globalNameNode;
@@ -3989,6 +3993,8 @@ class SsaBuilder extends ResolvedVisitor {
       handleForeignJsGetName(node);
     } else if (name == 'JS_EMBEDDED_GLOBAL') {
       handleForeignJsEmbeddedGlobal(node);
+    } else if (name == 'JS_COMPILER_MACRO') {
+      handleForeignJsCompilerMacro(node);
     } else if (name == 'JS_GET_FLAG') {
       handleForeingJsGetFlag(node);
     } else if (name == 'JS_EFFECT') {