diff --git a/Language/Classes/Constructors/Constant_Constructors/not_a_constant_in_initializer_list_t02.dart b/Language/Classes/Constructors/Constant_Constructors/not_a_constant_in_initializer_list_t02.dart
index d7c0481e23..3534778bd5 100644
--- a/Language/Classes/Constructors/Constant_Constructors/not_a_constant_in_initializer_list_t02.dart
+++ b/Language/Classes/Constructors/Constant_Constructors/not_a_constant_in_initializer_list_t02.dart
@@ -15,6 +15,7 @@
 /// @description Checks that it is a compile-time error when a constant
 /// constructor's initializer list contains a function call.
 /// @author iefremov
+/// @issue 59804
 
 f1() {}
 int f2() => 2;
diff --git a/LanguageFeatures/Static-access-shorthand/constant_expression_A01_t03.dart b/LanguageFeatures/Static-access-shorthand/constant_expression_A01_t03.dart
index 39c4dfb065..badcf834a6 100644
--- a/LanguageFeatures/Static-access-shorthand/constant_expression_A01_t03.dart
+++ b/LanguageFeatures/Static-access-shorthand/constant_expression_A01_t03.dart
@@ -29,7 +29,8 @@ class C {
 
 extension type const ET(String value) {
   const ET.id(this.value, [String s = ""]);
-  const factory ET.f(String value, {String s = ""}) = ET;
+  const ET.id2(this.value, {String s = ""});
+  const factory ET.f(String value, {String s}) = ET.id2;
 }
 
 main() {
diff --git a/LanguageFeatures/Static-access-shorthand/constant_expression_A02_t01.dart b/LanguageFeatures/Static-access-shorthand/constant_expression_A02_t01.dart
index 0a12a6d4d5..33516d280b 100644
--- a/LanguageFeatures/Static-access-shorthand/constant_expression_A02_t01.dart
+++ b/LanguageFeatures/Static-access-shorthand/constant_expression_A02_t01.dart
@@ -28,11 +28,12 @@ class C {
 }
 
 mixin M {
-  final String value;
-  static const M instance = MO("M instance");
+  static const M instance = MO();
+}
+class MO with M {
+  final String value = "M instance";
+  const MO();
 }
-
-class MO = Object with M;
 
 extension type const ET(String value) {
   static const instance = ET("ET instance");
@@ -42,6 +43,9 @@ main() {
   const C c = .instance;
   Expect.equals("C instance", c.value);
 
+  const M m = .instance;
+  Expect.equals("M instance", (m as MO).value);
+
   const ET et = .instance;
   Expect.equals("ET instance", et.value);
 }