| Index: pkg/compiler/lib/src/cps_ir/cps_ir_integrity.dart | 
| diff --git a/pkg/compiler/lib/src/cps_ir/cps_ir_integrity.dart b/pkg/compiler/lib/src/cps_ir/cps_ir_integrity.dart | 
| index efdc27f5adbaab71dad06b402d8266ed57afe825..cee7a1e3ba21c57e019e5ed364d7843b6b5dc1a5 100644 | 
| --- a/pkg/compiler/lib/src/cps_ir/cps_ir_integrity.dart | 
| +++ b/pkg/compiler/lib/src/cps_ir/cps_ir_integrity.dart | 
| @@ -27,7 +27,6 @@ enum ScopeType { InScope, InDefinition, NotInScope } | 
| /// - Each reference object occurs only once in the IR (no sharing). | 
| /// | 
| class CheckCpsIntegrity extends TrampolineRecursiveVisitor { | 
| - | 
| FunctionDefinition topLevelNode; | 
| final Map<Definition, ScopeType> inScope = <Definition, ScopeType>{}; | 
| final List<Definition> definitions = []; | 
| @@ -40,13 +39,16 @@ class CheckCpsIntegrity extends TrampolineRecursiveVisitor { | 
| int i = 0; | 
| for (Reference ref = def.firstRef; ref != null; ref = ref.next) { | 
| if (ref.definition != def) { | 
| -        error('Reference to ${ref.definition} found in ' | 
| -              'reference chain for $def', def); | 
| +        error( | 
| +            'Reference to ${ref.definition} found in ' | 
| +            'reference chain for $def', | 
| +            def); | 
| } | 
| if (ref == anchor) { | 
| error('Cyclic reference chain for $def', def); | 
| } | 
| -      if (i & ++i == 0) { // Move the anchor every 2^Nth step. | 
| +      if (i & ++i == 0) { | 
| +        // Move the anchor every 2^Nth step. | 
| anchor = ref; | 
| } | 
| } | 
| @@ -225,9 +227,9 @@ class CheckCpsIntegrity extends TrampolineRecursiveVisitor { | 
| sexpr = '(Set DUMP_IR flag to enable SExpr dump)'; | 
| } | 
| throw 'CPS integrity violation\n' | 
| -          'After \'$previousPass\' on ${topLevelNode.element}\n' | 
| -          '$message\n\n' | 
| -          '$sexpr\n'; | 
| +        'After \'$previousPass\' on ${topLevelNode.element}\n' | 
| +        '$message\n\n' | 
| +        '$sexpr\n'; | 
| } | 
| } | 
|  | 
| @@ -260,7 +262,7 @@ class ParentChecker extends DeepRecursiveVisitor { | 
| _worklist.add(node); | 
| if (node.parent != _parent) { | 
| error('Parent pointer on $node is ${node.parent} but should be $_parent', | 
| -            node); | 
| +          node); | 
| } | 
| } | 
|  | 
| @@ -268,7 +270,7 @@ class ParentChecker extends DeepRecursiveVisitor { | 
| processReference(Reference node) { | 
| if (node.parent != _parent) { | 
| error('Parent pointer on $node is ${node.parent} but should be $_parent', | 
| -            node); | 
| +          node); | 
| } | 
| } | 
| } | 
|  |