Use the parameterNames map to allocate names for HParameterValue. In case of native methods, we mus…

dart/lib/compiler/implementation/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 {
   final JavaScriptBackend backend;
   SsaCodeGeneratorTask(JavaScriptBackend backend)
       : this.backend = backend,
         super(backend.compiler);
   String get name() => 'SSA code generator';
@@ skipping 242 matching lines @@
     new SsaInstructionMerger(generateAtUseSite).visitGraph(graph);
     new SsaConditionMerger(generateAtUseSite,
                            logicalOperations).visitGraph(graph);
     SsaLiveIntervalBuilder intervalBuilder =
         new SsaLiveIntervalBuilder(compiler);
     intervalBuilder.visitGraph(graph);
     SsaVariableAllocator allocator = new SsaVariableAllocator(
         compiler,
         intervalBuilder.liveInstructions,
         intervalBuilder.liveIntervals,
-        generateAtUseSite);
+        generateAtUseSite,
+        parameterNames);
     allocator.visitGraph(graph);
     variableNames = allocator.names;
   }
 
   visitGraph(HGraph graph) {
     preGenerateMethod(graph);
     currentGraph = graph;
     indent++;  // We are already inside a function.
     subGraph = new SubGraph(graph.entry, graph.exit);
     beginGraph(graph);
@@ skipping 2195 matching lines @@
       startBailoutSwitch();
     }
   }
 
   void endLabeledBlock(HLabeledBlockInformation labeledBlockInfo) {
     if (labeledBlockInfo.body.start.hasGuards()) {
       endBailoutSwitch();
     }
   }
 }