Add support for accessing field formal parameters in the initializer list of constructors

pkg/analyzer/lib/src/context/context.dart

Index: pkg/analyzer/lib/src/context/context.dart
diff --git a/pkg/analyzer/lib/src/context/context.dart b/pkg/analyzer/lib/src/context/context.dart
index 9c885cab24e2d4c2063c57c1feebc68c1f64f1b1..f83c3497c0cb231f26e62d9d883a84678ce0db6d 100644
--- a/pkg/analyzer/lib/src/context/context.dart
+++ b/pkg/analyzer/lib/src/context/context.dart
@@ -291,6 +291,8 @@ class AnalysisContextImpl implements InternalAnalysisContext {
         this._options.enableAssertInitializer !=
             options.enableAssertInitializer ||
         this._options.enableAssertMessage != options.enableAssertMessage ||
+        this._options.enableInitializingFormalAccess !=
+            options.enableInitializingFormalAccess ||
         ((options is AnalysisOptionsImpl)
             ? this._options.strongModeHints != options.strongModeHints
             : false) ||
@@ -322,6 +324,8 @@ class AnalysisContextImpl implements InternalAnalysisContext {
     this._options.enableAssertMessage = options.enableAssertMessage;
     this._options.enableStrictCallChecks = options.enableStrictCallChecks;
     this._options.enableAsync = options.enableAsync;
+    this._options.enableInitializingFormalAccess =
+        options.enableInitializingFormalAccess;
     this._options.enableSuperMixins = options.enableSuperMixins;
     this._options.enableTiming = options.enableTiming;
     this._options.hint = options.hint;