Add field getters and setters to the collection of getters and setters.

lib/compiler/implementation/ssa/codegen.dart

Index: lib/compiler/implementation/ssa/codegen.dart
diff --git a/lib/compiler/implementation/ssa/codegen.dart b/lib/compiler/implementation/ssa/codegen.dart
index bf013fd9800c48177cd823792e4a44ca724bdaac..a1275d16c8cbb28eb616be256ebfa9b0931f8346 100644
--- a/lib/compiler/implementation/ssa/codegen.dart
+++ b/lib/compiler/implementation/ssa/codegen.dart
@@ -1570,6 +1570,9 @@ class SsaCodeGenerator implements HVisitor, HBlockInformationVisitor {
       buffer.add('.');
       buffer.add(name);
       beginExpression(JSPrecedence.MEMBER_PRECEDENCE);
+      Type type = node.receiver.propagatedType.computeType(compiler);
+      assert(type !== null);
+      world.registerFieldGetter(node.element.name, type);
     } else {
       use(node.receiver, JSPrecedence.EXPRESSION_PRECEDENCE);
     }
@@ -1583,6 +1586,9 @@ class SsaCodeGenerator implements HVisitor, HBlockInformationVisitor {
       use(node.receiver, JSPrecedence.MEMBER_PRECEDENCE);
       buffer.add('.');
       buffer.add(name);
+      Type type = node.receiver.propagatedType.computeType(compiler);
+      assert(type !== null);
+      world.registerFieldSetter(node.element.name, type);
     } else {
       declareInstruction(node.receiver);
     }