Index: sdk/lib/core/errors.dart |
diff --git a/sdk/lib/core/errors.dart b/sdk/lib/core/errors.dart |
index c11ea2e1a97da25e0c73490a216d7ec025492dc6..b6487a9dffebbce057267a7d014a6f01032f958e 100644 |
--- a/sdk/lib/core/errors.dart |
+++ b/sdk/lib/core/errors.dart |
@@ -96,7 +96,9 @@ class Error { |
* Error thrown by the runtime system when an assert statement fails. |
*/ |
class AssertionError extends Error { |
- AssertionError(); |
+ /** Message describing the assertion error. */ |
+ final Object message; |
+ AssertionError([this.message]); |
String toString() => "Assertion failed"; |
} |