Index: tools/testing/dart/compiler_configuration.dart |
diff --git a/tools/testing/dart/compiler_configuration.dart b/tools/testing/dart/compiler_configuration.dart |
index 009fdfe62bef8ddce681a7d92ccbe1571e5485cb..e665d85670495a70f14242166e5f46eb9f072395 100644 |
--- a/tools/testing/dart/compiler_configuration.dart |
+++ b/tools/testing/dart/compiler_configuration.dart |
@@ -283,6 +283,13 @@ class Dart2xCompilerConfiguration extends CompilerConfiguration { |
var suffix = executableScriptSuffix; |
if (_isHostChecked) { |
+ if (_useSdk) { |
+ // Note: when [_useSdk] is true, dart2js is run from a snapshot that was |
+ // built without checked mode. The VM cannot make such snapshot run in |
+ // checked mode later. These two flags could be used together if we also |
+ // build an sdk with checked snapshots. |
+ throw "--host-checked and --use-sdk cannot be used together"; |
+ } |
// The script dart2js_developer is not included in the |
// shipped SDK, that is the script is not installed in |
// "$buildDir/dart-sdk/bin/" |