| Index: dart/sdk/lib/_internal/compiler/implementation/ssa/optimize.dart
 | 
| diff --git a/dart/sdk/lib/_internal/compiler/implementation/ssa/optimize.dart b/dart/sdk/lib/_internal/compiler/implementation/ssa/optimize.dart
 | 
| index 8595cc5b9b1b02275584493dd1b622d64e19ac25..6333b0e147d6325fa4013090c8fdf40c83f7f00c 100644
 | 
| --- a/dart/sdk/lib/_internal/compiler/implementation/ssa/optimize.dart
 | 
| +++ b/dart/sdk/lib/_internal/compiler/implementation/ssa/optimize.dart
 | 
| @@ -459,7 +459,7 @@ class SsaConstantFolder extends HBaseVisitor implements OptimizationPhase {
 | 
|      HType leftType = types[left];
 | 
|      if (leftType.isExact()) {
 | 
|        HBoundedType type = leftType;
 | 
| -      Element element = type.lookupMember(Elements.OPERATOR_EQUALS);
 | 
| +      Element element = type.lookupMember(const SourceString('=='));
 | 
|        if (element != null) {
 | 
|          // If the left-hand side is guaranteed to be a non-primitive
 | 
|          // type and and it defines operator==, we emit a call to that
 | 
| 
 |