Index: pkg/compiler/lib/src/types/map_type_mask.dart |
diff --git a/pkg/compiler/lib/src/types/map_type_mask.dart b/pkg/compiler/lib/src/types/map_type_mask.dart |
index 1ff8566f8ed7bd60372a078f919ce788ca043aa7..4fe6a79393d810e5de3830916bcb65f386923f3c 100644 |
--- a/pkg/compiler/lib/src/types/map_type_mask.dart |
+++ b/pkg/compiler/lib/src/types/map_type_mask.dart |
@@ -59,7 +59,7 @@ class MapTypeMask extends ForwardingTypeMask { |
return forwardIntersection.isNullable ? nullable() : nonNullable(); |
} |
- TypeMask union(other, ClosedWorld closedWorld) { |
+ TypeMask union(dynamic other, ClosedWorld closedWorld) { |
if (this == other) { |
return this; |
} else if (equalsDisregardNull(other)) { |