Runtime support for the new parameter specification.

lib/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.
 
 class Interceptors {
   Compiler compiler;
   Interceptors(Compiler this.compiler);
 
   SourceString mapOperatorToMethodName(Operator op) {
     String name = op.source.stringValue;
@@ skipping 2411 matching lines @@
     enableMethodInterception();
   }
 
   void handleForeignJsHasEquals(Send node) {
     List<HInstruction> inputs = <HInstruction>[];
     if (!node.arguments.tail.isEmpty()) {
       compiler.cancel(
           'More than one expression in JS_HAS_EQUALS()', node: node);
     }
     addGenericSendArgumentsToList(node.arguments, inputs);
-    String name = backend.namer.instanceMethodName(
-        currentLibrary, Elements.OPERATOR_EQUALS, 1);
+    String name =
+        backend.namer.instanceMethodNameByArity(Elements.OPERATOR_EQUALS, 1);
     push(new HForeign(new DartString.literal('!!#.$name'),
                       const LiteralDartString('bool'),
                       inputs));
   }
 
   void handleForeignJsCurrentIsolate(Send node) {
     if (!node.arguments.isEmpty()) {
       compiler.cancel(
           'Too many arguments to JS_CURRENT_ISOLATE', node: node);
     }
@@ skipping 1696 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;
   }
 }