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 fdf877a754a08a2d1488902d9dd53081e471ac12..4fc34702661da2853a1082e9a92b781563295cf7 100644
--- a/lib/compiler/implementation/ssa/codegen.dart
+++ b/lib/compiler/implementation/ssa/codegen.dart
@@ -1515,6 +1515,13 @@ 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.enabledInvokeOn) {
+      return defaultSelector;
+    }
     HType receiverHType = types[node.inputs[0]];
     DartType receiverType = receiverHType.computeType(compiler);
     if (receiverType != null) {