InvocationMirror implemented in dart2js.

lib/compiler/implementation/ssa/codegen.dart

Index: lib/compiler/implementation/ssa/codegen.dart
diff --git a/lib/compiler/implementation/ssa/codegen.dart b/lib/compiler/implementation/ssa/codegen.dart
index 09f624da902f16300122bbe88e5b5f642baab321..90d447ab091975872bd0f2ac22fbd1429c2c47b3 100644
--- a/lib/compiler/implementation/ssa/codegen.dart
+++ b/lib/compiler/implementation/ssa/codegen.dart
@@ -1483,6 +1483,10 @@ abstract class SsaCodeGenerator implements HVisitor, HBlockInformationVisitor {
 
       // Register this invocation to collect the types used at all call sites.
       Selector selector = getOptimizedSelectorFor(node, node.selector);
+      if (node.selector.name.slowToString() == 'foo' ||

[ngeoffray, 2012/10/26 08:34:55]

Remove

[Johnni Winther, 2012/10/26 10:18:01]

Done.

+          node.selector.name.slowToString() == 'bar') {
+        print('getOptimizedSelectorFor($node)=$selector, target=${target}');
+      }
       backend.registerDynamicInvocation(node, selector, types);
 
       // If we don't know what we're calling or if we are calling a getter,
@@ -1513,6 +1517,14 @@ abstract class SsaCodeGenerator implements HVisitor, HBlockInformationVisitor {
                                    Selector defaultSelector) {
     // TODO(4434): For private members we need to use the untyped selector.
     if (defaultSelector.name.isPrivate()) return defaultSelector;
+    // If [noSuchMethod] has been overridden and [InvocationMirror.invokeOn]
+    // has been called we must not create a typed selector based on the receiver
+    // type.
+    if (node.element == null && // Invocation is not exact.
+        backend.compiler.enabledNoSuchMethod &&

[ngeoffray, 2012/10/26 08:34:55]

I think you can just check enabledInvokeOn.

[Johnni Winther, 2012/10/26 10:18:01]

Done.

+        backend.compiler.enabledInvokeOn) {
+      return defaultSelector;
+    }
     HType receiverHType = types[node.inputs[0]];
     DartType receiverType = receiverHType.computeType(compiler);
     if (receiverType != null) {