| Index: pkg/front_end/lib/src/fasta/source/outline_builder.dart | 
| diff --git a/pkg/front_end/lib/src/fasta/source/outline_builder.dart b/pkg/front_end/lib/src/fasta/source/outline_builder.dart | 
| index 15a24a74dbcfbb88fdd7f5bd612c226187aa11cd..eeca0954d3bec9f6426a56ae8a7ccc8e51a81bb4 100644 | 
| --- a/pkg/front_end/lib/src/fasta/source/outline_builder.dart | 
| +++ b/pkg/front_end/lib/src/fasta/source/outline_builder.dart | 
| @@ -572,6 +572,9 @@ class OutlineBuilder extends UnhandledListener { | 
| debugEvent("endTypeVariable"); | 
| TypeBuilder bound = pop(); | 
| String name = pop(); | 
| +    // TODO(paulberry): type variable metadata should not be ignored.  See | 
| +    // dartbug.com/28981. | 
| +    /* List<MetadataBuilder> metadata = */ pop(); | 
| push(library.addTypeVariable(name, bound, token.charOffset)); | 
| } | 
|  | 
|  |