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 e91d58e64a5fde9fe1caa1a52b58b4e7000ae546..2957c474de0804cd4567045c23535a986b738608 100644
--- a/pkg/compiler/lib/src/cps_ir/shrinking_reductions.dart
+++ b/pkg/compiler/lib/src/cps_ir/shrinking_reductions.dart
@@ -568,6 +568,7 @@ class ParentVisitor extends RecursiveVisitor {
   processInvokeConstructor(InvokeConstructor node) {
     node.continuation.parent = node;
     node.arguments.forEach((Reference ref) => ref.parent = node);
+    node.typeArguments.forEach((Reference ref) => ref.parent = node);
   }
 
   processConcatenateStrings(ConcatenateStrings node) {
@@ -669,6 +670,10 @@ class ParentVisitor extends RecursiveVisitor {
   processReadTypeVariable(ReadTypeVariable node) {
     node.target.parent = node;
   }
+
+  processTypeExpression(TypeExpression node) {
+    node.arguments.forEach((Reference ref) => ref.parent = node);
+  }
 }
 
 class _ReductionKind {