Introduces "--initializing-formal-access".

pkg/compiler/lib/src/typechecker.dart

Index: pkg/compiler/lib/src/typechecker.dart
diff --git a/pkg/compiler/lib/src/typechecker.dart b/pkg/compiler/lib/src/typechecker.dart
index 750357eb8b074fa4869140c97907fdeb2003a0ad..85710b11d3da5cbf9d040e3dd29402925f1cfc42 100644
--- a/pkg/compiler/lib/src/typechecker.dart
+++ b/pkg/compiler/lib/src/typechecker.dart
@@ -1057,7 +1057,10 @@ class TypeCheckerVisitor extends Visitor<DartType> {
     } else if (element.isFunction) {
       // foo() where foo is a method in the same class.
       return createResolvedAccess(node, name, element);
-    } else if (element.isVariable || element.isParameter || element.isField) {
+    } else if (element.isVariable ||
+        element.isParameter ||
+        element.isField ||
+        element.isInitializingFormal) {
       // foo() where foo is a field in the same class.
       return createResolvedAccess(node, name, element);
     } else if (element.isGetter || element.isSetter) {