Implement super calls.

frog/leg/ssa/codegen.dart

 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 class SsaCodeGeneratorTask extends CompilerTask {
   SsaCodeGeneratorTask(Compiler compiler) : super(compiler);
   String get name() => 'SSA code generator';
 
   String generate(WorkElement work, HGraph graph) {
     return measure(() {
@@ skipping 380 matching lines @@
       => visitInvokeDynamic(node);
 
   visitInvokeDynamicGetter(HInvokeDynamicGetter node)
       => visitInvokeDynamic(node);
 
   visitInvokeStatic(HInvokeStatic node) {
     use(node.target);
     visitArguments(node.inputs);
   }
 
+  visitInvokeSuper(HInvokeSuper node) {
+    Element superMethod = node.element;
+    Element superClass = superMethod.enclosingElement;
+    String className = compiler.namer.isolatePropertyAccess(superClass);
+    String methodName = compiler.namer.instanceName(superMethod.name);
+    buffer.add('$className.prototype.$methodName.call');
+    visitArguments(node.inputs);
+  }
+
   visitForeign(HForeign node) {
     String code = '${node.code}';
     List<HInstruction> inputs = node.inputs;
     for (int i = 0; i < inputs.length; i++) {
       HInstruction input = inputs[i];
       String name;
       if (input is HParameterValue) {
         name = parameter(input);
       } else {
         assert(!input.generateAtUseSite());
@@ skipping 516 matching lines @@
     secondBlock.last.tryGenerateAtUseSite();
   }
 
   void visitBasicBlock(HBasicBlock block) {
     if (!block.phis.isEmpty() &&
         block.phis.first == block.phis.last) {
       detectLogicControlFlow(block.phis.first);
     }
   }
 }