Correctly handle constness for list and map literals inside bodies.

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 2280 matching lines @@
         localsHandler.updateLocal(elements[definition], initialValue);
       } else {
         assert(definition is SendSet);
         visitSendSet(definition);
         pop();  // Discard value.
       }
     }
   }
 
   visitLiteralList(LiteralList node) {
+    if (node.isConst()) {
+      ConstantHandler handler = compiler.constantHandler;
+      Constant constant = handler.compileNodeWithDefinitions(node, elements);
+      stack.add(graph.addConstant(constant));
+      return;
+    }
+
     List<HInstruction> inputs = <HInstruction>[];
     for (Link<Node> link = node.elements.nodes;
          !link.isEmpty();
          link = link.tail) {
       visit(link.head);
       inputs.add(pop());
     }
     push(new HLiteralList(inputs, node.isConst()));
   }
 
@@ skipping 190 matching lines @@
     if (hasBreak) {
       // There was at least one reachable break, so the label is needed.
       HLabeledBlockInformation blockInfo =
           new HLabeledBlockInformation(bodyGraph, joinBlock, handler.labels());
       entryBlock.labeledBlockInformation = blockInfo;
     }
     handler.close();
   }
 
   visitLiteralMap(LiteralMap node) {
+    if (node.isConst()) {
+      ConstantHandler handler = compiler.constantHandler;
+      Constant constant = handler.compileNodeWithDefinitions(node, elements);
+      stack.add(graph.addConstant(constant));
+      return;
+    }
     List<HInstruction> inputs = <HInstruction>[];
     for (Link<Node> link = node.entries.nodes;
          !link.isEmpty();
          link = link.tail) {
       visit(link.head);
       inputs.addLast(pop());
       inputs.addLast(pop());
     }
     HLiteralList keyValuePairs = new HLiteralList(inputs, node.isConst());
     HStatic mapMaker = new HStatic(interceptors.getMapMaker());
@@ skipping 441 matching lines @@
                                         false,
                                         <HInstruction>[target, input]));
     return builder.pop();
   }
 
   HInstruction result() {
     flushLiterals();
     return prefix;
   }
 }