Index: sdk/lib/_internal/compiler/implementation/ssa/ssa.dart |
diff --git a/sdk/lib/_internal/compiler/implementation/ssa/ssa.dart b/sdk/lib/_internal/compiler/implementation/ssa/ssa.dart |
index 1e57acb2f89762bafe2aacd6b1cda43846dc91d4..414a1425bafa72e8b14bb6f452961c3a4ca565a2 100644 |
--- a/sdk/lib/_internal/compiler/implementation/ssa/ssa.dart |
+++ b/sdk/lib/_internal/compiler/implementation/ssa/ssa.dart |
@@ -4,6 +4,8 @@ |
library ssa; |
+import 'dart:collection'; |
+ |
import '../closure.dart'; |
import '../js/js.dart' as js; |
import '../dart2jslib.dart' hide Selector; |