Resolve type Dynamic and implement black listing.

dart/frog/leg/ssa/codegen.dart

 // Copyright (c) 2012, 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(WorkItem work, HGraph graph) {
     return measure(() {
@@ skipping 975 matching lines @@
     }
     compiler.registerIsCheck(element);
     LibraryElement coreLibrary = compiler.coreLibrary;
     ClassElement objectClass = coreLibrary.find(const SourceString('Object'));
     HInstruction input = node.expression;
     if (node.nullOk) {
       beginExpression(JSPrecedence.LOGICAL_OR_PRECEDENCE);
       checkNull(input);
       buffer.add(' || ');
     }
-    if (element == objectClass) {
+    if (element === objectClass || element === compiler.dynamicClass) {
       // TODO(ahe): This probably belongs in the constant folder.
       buffer.add('true');
-    } else if (element == coreLibrary.find(const SourceString('String'))) {
+    } else if (element == compiler.stringClass) {
       checkString(input, '===');
-    } else if (element == coreLibrary.find(const SourceString('double'))) {
+    } else if (element == compiler.doubleClass) {
       checkDouble(input, '===');
-    } else if (element == coreLibrary.find(const SourceString('num'))) {
+    } else if (element == compiler.numClass) {
       checkNum(input, '===');
-    } else if (element == coreLibrary.find(const SourceString('bool'))) {
+    } else if (element == compiler.boolClass) {
       checkBool(input, '===');
-    } else if (element == coreLibrary.find(const SourceString('Function'))) {
+    } else if (element == compiler.functionClass) {
       checkFunction(input, element);
-    } else if (element == coreLibrary.find(const SourceString('int'))) {
+    } else if (element == compiler.intClass) {
       beginExpression(JSPrecedence.LOGICAL_AND_PRECEDENCE);
       checkNum(input, '===');
       buffer.add(' && ');
       checkInt(input, '===');
       endExpression(JSPrecedence.LOGICAL_AND_PRECEDENCE);
     } else {
       beginExpression(JSPrecedence.LOGICAL_AND_PRECEDENCE);
       if (isStringSupertype(element)) {
         checkString(input, '===');
         buffer.add(' || ');
@@ skipping 424 matching lines @@
       startBailoutSwitch();
     }
   }
 
   void endElse(HIf node) {
     if (node.elseBlock.hasBailouts()) {
       endBailoutSwitch();
     }
   }
 }