Implement invoke, setField, and getField (unminified).

dart/sdk/lib/_internal/compiler/implementation/ssa/builder.dart

Index: dart/sdk/lib/_internal/compiler/implementation/ssa/builder.dart
diff --git a/dart/sdk/lib/_internal/compiler/implementation/ssa/builder.dart b/dart/sdk/lib/_internal/compiler/implementation/ssa/builder.dart
index ba26fe23147674269a9ac7c65faf7bb47c34f09e..52b2d7bad548280a59d61e912ceb3c9913c5fe9c 100644
--- a/dart/sdk/lib/_internal/compiler/implementation/ssa/builder.dart
+++ b/dart/sdk/lib/_internal/compiler/implementation/ssa/builder.dart
@@ -3650,6 +3650,7 @@ class SsaBuilder extends ResolvedVisitor implements Visitor {
 
   visitNewExpression(NewExpression node) {
     Element element = elements[node.send];
+    final bool isSymbolConstructor = element == compiler.symbolConstructor;
     if (!Elements.isErroneousElement(element)) {
       FunctionElement function = element;
       element = function.redirectionTarget;
@@ -3669,6 +3670,12 @@ class SsaBuilder extends ResolvedVisitor implements Visitor {
       ConstantHandler handler = compiler.constantHandler;
       Constant constant = handler.compileNodeWithDefinitions(node, elements);
       stack.add(graph.addConstant(constant));
+      if (isSymbolConstructor) {
+        ConstructedConstant symbol = constant;
+        StringConstant stringConstant = symbol.fields.single;
+        String nameString = stringConstant.toDartString().slowToString();
+        compiler.enqueuer.codegen.registerConstSymbol(nameString, elements);
+      }
     } else {
       DartType type = elements.getType(node);
       if (compiler.enableTypeAssertions && type.isMalformed) {