Compute function types together with the parameters.

lib/compiler/implementation/ssa/optimize.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.
 
 interface OptimizationPhase {
   String get name();
   void visitGraph(HGraph graph);
 }
 
 class SsaOptimizerTask extends CompilerTask {
@@ skipping 182 matching lines @@
 
   HInstruction visitInvokeDynamic(HInvokeDynamic node) {
     HType receiverType = node.receiver.propagatedType;
     if (receiverType.isExact()) {
       HExactType type = receiverType;
       Element element = type.lookupMember(node.name);
       // TODO(ngeoffray): Also fold if it's a getter or variable.
       if (element != null && element.isFunction()) {
         if (node.selector.applies(element, compiler)) {
           FunctionElement method = element;
-          FunctionParameters parameters = method.computeParameters(compiler);
+          FunctionSignature parameters = method.computeSignature(compiler);
           if (parameters.optionalParameterCount == 0) {
             node.element = element;
           }
           // TODO(ngeoffray): If the method has optional parameters,
           // we should pass the default values here.
         }
       }
     }
     return node;
   }
@@ skipping 872 matching lines @@
         // the if block terminates. So any use of the instruction
         // after the join block should be changed to the new
         // instruction.
         changeUsesDominatedBy(ifUser.joinBlock, input, convertedType);
       }
       // TODO(ngeoffray): Also change uses for the then block on a HType
       // that knows it is not of a specific Type.
     }
   }
 }