- Create a Dart package with Flutter SDK as a dependency.
- Set Dart Code debug option to 'debug my code + packages + SDK'.
- Run a test that fails an assertion.
The assertion stack frame should appear in the source view.
The assertion appears as a file in a new VSCode tab titled errors_patch.dart
with the following content:
Could not load source 'dart:core-patch/errors_patch.dart': <source not available>.