dart2js cps: Handle error cases.

pkg/compiler/lib/src/tree_ir/optimization/statement_rewriter.dart

Index: pkg/compiler/lib/src/tree_ir/optimization/statement_rewriter.dart
diff --git a/pkg/compiler/lib/src/tree_ir/optimization/statement_rewriter.dart b/pkg/compiler/lib/src/tree_ir/optimization/statement_rewriter.dart
index 766d825d077df2570d201d137576d73491eea18a..3bef3f0879b07b116d136b217ba90f569358c685 100644
--- a/pkg/compiler/lib/src/tree_ir/optimization/statement_rewriter.dart
+++ b/pkg/compiler/lib/src/tree_ir/optimization/statement_rewriter.dart
@@ -270,6 +270,7 @@ class StatementRewriter extends Transformer implements Pass {
     return exp is Constant ||
            exp is This ||
            exp is ReifyTypeVar ||
+           exp is CreateInvocationMirror ||
            exp is InvokeStatic && exp.isEffectivelyConstant ||
            exp is VariableUse && constantEnvironment.containsKey(exp.variable);
   }
@@ -613,7 +614,6 @@ class StatementRewriter extends Transformer implements Pass {
     return node;
   }
 
-  @override
   Expression visitTypeExpression(TypeExpression node) {
     for (int i = node.arguments.length - 1; i >= 0; --i) {
       node.arguments[i] = visitExpression(node.arguments[i]);
@@ -621,6 +621,13 @@ class StatementRewriter extends Transformer implements Pass {
     return node;
   }
 
+  Expression visitCreateInvocationMirror(CreateInvocationMirror node) {
+    for (int i = node.arguments.length - 1; i >= 0; --i) {
+      node.arguments[i] = visitExpression(node.arguments[i]);
+    }
+    return node;
+  }
+
   /// If [s] and [t] are similar statements we extract their subexpressions
   /// and returns a new statement of the same type using expressions combined
   /// with the [combine] callback. For example: