cps-ir: Set runtime type information for new objects that require it.

pkg/compiler/lib/src/cps_ir/shrinking_reductions.dart

Index: pkg/compiler/lib/src/cps_ir/shrinking_reductions.dart
diff --git a/pkg/compiler/lib/src/cps_ir/shrinking_reductions.dart b/pkg/compiler/lib/src/cps_ir/shrinking_reductions.dart
index c3823ece560f55358510d2e298239fc3fc9ffc72..fa60b5598482d3edd9bfa71c83ba30313ed6d34d 100644
--- a/pkg/compiler/lib/src/cps_ir/shrinking_reductions.dart
+++ b/pkg/compiler/lib/src/cps_ir/shrinking_reductions.dart
@@ -658,6 +658,7 @@ class ParentVisitor extends RecursiveVisitor {
 
   processCreateInstance(CreateInstance node) {
     node.arguments.forEach((Reference ref) => ref.parent = node);
+    node.typeInformation.forEach((Reference ref) => ref.parent = node);
   }
 
   processCreateBox(CreateBox node) {
@@ -670,6 +671,10 @@ class ParentVisitor extends RecursiveVisitor {
   processReadTypeVariable(ReadTypeVariable node) {
     node.target.parent = node;
   }
+
+  processTypeExpression(TypeExpression node) {
+    node.arguments.forEach((Reference ref) => ref.parent = node);
+  }
 }
 
 class _ReductionKind {