Update verifier to correctly analyze types of fields.

pkg/kernel/lib/verifier.dart

Index: pkg/kernel/lib/verifier.dart
diff --git a/pkg/kernel/lib/verifier.dart b/pkg/kernel/lib/verifier.dart
index 18b93c320b958c61207f85c805d3a741a2582b03..f0ef68164f51cf42b772becec63f9c8e8eccd1c1 100644
--- a/pkg/kernel/lib/verifier.dart
+++ b/pkg/kernel/lib/verifier.dart
@@ -218,10 +218,10 @@ class VerifyingVisitor extends RecursiveVisitor {
     var oldParent = enterParent(node);
     classTypeParametersAreInScope = !node.isStatic;
     node.initializer?.accept(this);
+    node.type.accept(this);
     classTypeParametersAreInScope = false;
     visitList(node.annotations, this);
     exitParent(oldParent);
-    node.type.accept(this);
     currentMember = null;
   }