| Index: pkg/compiler/lib/src/ssa/builder.dart | 
| diff --git a/pkg/compiler/lib/src/ssa/builder.dart b/pkg/compiler/lib/src/ssa/builder.dart | 
| index e4b5c8bfb39c7b17683b2ac749881d580c3209d6..09b32b58e3259fb3f98f34d6c3f73437a45f3943 100644 | 
| --- a/pkg/compiler/lib/src/ssa/builder.dart | 
| +++ b/pkg/compiler/lib/src/ssa/builder.dart | 
| @@ -4121,9 +4121,6 @@ class SsaBuilder extends NewResolvedVisitor { | 
| handleForeignRawFunctionRef(node, 'RAW_DART_FUNCTION_REF'); | 
| } else if (name == 'JS_SET_CURRENT_ISOLATE') { | 
| handleForeignSetCurrentIsolate(node); | 
| -    } else if (name == 'JS_OPERATOR_IS_PREFIX') { | 
| -      // TODO(floitsch): this should be a JS_NAME. | 
| -      stack.add(addConstantString(backend.namer.operatorIsPrefix)); | 
| } else if (name == 'JS_OBJECT_CLASS_NAME') { | 
| // TODO(floitsch): this should be a JS_NAME. | 
| String name = backend.namer.runtimeTypeName(compiler.objectClass); | 
|  |