Reapply class/method/field minification

sdk/lib/_internal/compiler/implementation/ssa/builder.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.
 
 part of ssa;
 
 /**
  * A special element for the extra parameter taken by intercepted
  * methods. We need to override [Element.computeType] because our
  * optimizers may look at its declared type.
@@ skipping 3130 matching lines @@
         // TODO(ngeoffray): Match the VM behavior and throw an
         // exception at runtime.
         compiler.cancel('Unimplemented unresolved type variable',
                         node: currentNode);
       }
     }
 
     /**
      * Helper to build an instruction that builds the string representation for
      * this type, where type variables are substituted by their runtime value.
+     * Two different types must have two different string representations, so
+     * we use the mangled, uniquified names here.
      *
      * Examples:
      *   Type            Template                Inputs
      *   int             'int'                   []
      *   C<int, int>     'C<int, int>'           []
      *   Var             #                       [getRuntimeType(this).Var]
      *   C<int, D<Var>>  'C<int, D<' + # + '>>'  [getRuntimeType(this).Var]
      */
     void buildTypeString(DartType type, {isInQuotes: false}) {
       if (type is TypeVariableType) {
@@ skipping 1800 matching lines @@
           new HSubGraphBlockInformation(elseBranch.graph));
 
     HBasicBlock conditionStartBlock = conditionBranch.block;
     conditionStartBlock.setBlockFlow(info, joinBlock);
     SubGraph conditionGraph = conditionBranch.graph;
     HIf branch = conditionGraph.end.last;
     assert(branch is HIf);
     branch.blockInformation = conditionStartBlock.blockFlow;
   }
 }