Index: sdk/lib/_internal/compiler/implementation/tree/dartstring.dart |
diff --git a/sdk/lib/_internal/compiler/implementation/tree/dartstring.dart b/sdk/lib/_internal/compiler/implementation/tree/dartstring.dart |
index 2166f7d9fe36b58301369f7a7dd93ed971d466d5..8f962adbb6bfdd1e3d4d7b034e6b6d014cf3fad5 100644 |
--- a/sdk/lib/_internal/compiler/implementation/tree/dartstring.dart |
+++ b/sdk/lib/_internal/compiler/implementation/tree/dartstring.dart |
@@ -11,7 +11,7 @@ part of tree; |
* representing its content after removing quotes and resolving escapes in |
* its source. |
*/ |
-abstract class DartString extends Iterable<int> { |
+abstract class DartString extends IterableBase<int> { |
factory DartString.empty() => const LiteralDartString(""); |
// This is a convenience constructor. If you need a const literal DartString, |
// use [const LiteralDartString(string)] directly. |