Implement ClassMirror.owner and LibraryMirror.uri.

dart/sdk/lib/_internal/compiler/implementation/ssa/builder.dart

Index: dart/sdk/lib/_internal/compiler/implementation/ssa/builder.dart
diff --git a/dart/sdk/lib/_internal/compiler/implementation/ssa/builder.dart b/dart/sdk/lib/_internal/compiler/implementation/ssa/builder.dart
index cb5b3626d067f9b850552d8777944b4792b58cb0..15a49da01b3e65d7bd0eca3b87556c364b8944b7 100644
--- a/dart/sdk/lib/_internal/compiler/implementation/ssa/builder.dart
+++ b/dart/sdk/lib/_internal/compiler/implementation/ssa/builder.dart
@@ -4040,9 +4040,11 @@ class SsaBuilder extends ResolvedVisitor implements Visitor {
       native.handleSsaNative(this, node.expression);
       return;
     }
-    assert(invariant(node, !node.isRedirectingFactoryBody));
     HInstruction value;
-    if (node.expression == null) {
+    if (node.isRedirectingFactoryBody) {
+      // TODO(ahe): This is only for reflection, and it is not correct yet.
+      value = graph.addConstantNull(constantSystem);
+    } else if (node.expression == null) {
       value = graph.addConstantNull(constantSystem);
     } else {
       visit(node.expression);