From 76caa53c6c57db06b2d5a7af6cd2c7101c9dc081 Mon Sep 17 00:00:00 2001
From: iarkh <irina.arkhipets@gmail.com>
Date: Fri, 4 Oct 2019 13:18:17 +0700
Subject: [PATCH] Issue #490: useless constant-update-2018 option removed from
 the tests.

---
 .../Expressions/Constants/bitwise_operators_t01.dart     | 2 +-
 .../Expressions/Constants/bitwise_operators_t02.dart     | 2 --
 .../Expressions/Constants/bitwise_operators_t03.dart     | 3 +--
 .../Expressions/Constants/bitwise_operators_t04.dart     | 3 +--
 .../Expressions/Constants/bitwise_operators_t05.dart     | 3 +--
 .../Expressions/Constants/bitwise_operators_t06.dart     | 3 +--
 .../Expressions/Constants/bitwise_operators_t07.dart     | 3 ++-
 .../Expressions/Constants/bitwise_operators_t08.dart     | 2 +-
 .../Expressions/Constants/constant_constructor_t01.dart  | 3 +--
 .../Expressions/Constants/constant_constructor_t02.dart  | 2 +-
 .../Expressions/Constants/constant_constructor_t03.dart  | 2 +-
 Language/Expressions/Constants/constant_list_t01.dart    | 2 +-
 Language/Expressions/Constants/constant_list_t02.dart    | 2 +-
 Language/Expressions/Constants/constant_map_t01.dart     | 2 +-
 Language/Expressions/Constants/constant_map_t02.dart     | 2 +-
 .../Expressions/Constants/depending_on_itself_t01.dart   | 3 +--
 .../Expressions/Constants/depending_on_itself_t02.dart   | 3 +--
 .../Expressions/Constants/depending_on_itself_t03.dart   | 3 +--
 .../Expressions/Constants/equals_expression_t01.dart     | 3 +--
 .../Expressions/Constants/equals_expression_t02.dart     | 3 +--
 .../Expressions/Constants/equals_expression_t03.dart     | 3 +--
 Language/Expressions/Constants/exception_t01.dart        | 3 +--
 Language/Expressions/Constants/exception_t02.dart        | 1 -
 Language/Expressions/Constants/exception_t03.dart        | 3 +--
 Language/Expressions/Constants/exception_t04.dart        | 2 +-
 Language/Expressions/Constants/exception_t05.dart        | 2 +-
 Language/Expressions/Constants/identical_t01.dart        | 3 +--
 Language/Expressions/Constants/identical_t02.dart        | 2 --
 Language/Expressions/Constants/identical_t03.dart        | 1 -
 .../Constants/identifier_denotes_a_constant_t01.dart     | 2 --
 .../Constants/identifier_denotes_a_constant_t02.dart     | 2 --
 .../Constants/identifier_denotes_a_constant_t03.dart     | 3 +--
 .../Constants/identifier_denotes_a_constant_t04.dart     | 1 -
 .../Constants/identifier_denotes_a_constant_t05.dart     | 1 -
 .../Constants/identifier_denotes_a_constant_t06.dart     | 1 -
 .../Constants/identifier_denotes_a_constant_t07.dart     | 1 -
 Language/Expressions/Constants/integer_size_t01.dart     | 1 -
 Language/Expressions/Constants/integer_size_t02.dart     | 1 -
 Language/Expressions/Constants/integer_size_t03.dart     | 1 -
 Language/Expressions/Constants/integer_size_t04.dart     | 1 -
 Language/Expressions/Constants/literal_boolean_t01.dart  | 1 -
 Language/Expressions/Constants/literal_number_t01.dart   | 2 --
 Language/Expressions/Constants/literal_string_t01.dart   | 2 --
 Language/Expressions/Constants/literal_string_t02.dart   | 2 --
 Language/Expressions/Constants/literal_string_t03.dart   | 2 --
 Language/Expressions/Constants/literal_string_t04.dart   | 1 -
 Language/Expressions/Constants/literal_string_t05.dart   | 2 --
 Language/Expressions/Constants/literal_symbol_t01.dart   | 1 -
 .../Expressions/Constants/logical_expression_t01.dart    | 2 --
 .../Expressions/Constants/logical_expression_t02.dart    | 2 --
 .../Expressions/Constants/logical_expression_t03.dart    | 1 -
 .../Expressions/Constants/logical_expression_t04.dart    | 2 --
 Language/Expressions/Constants/math_operators_t01.dart   | 2 --
 Language/Expressions/Constants/math_operators_t02.dart   | 2 --
 Language/Expressions/Constants/math_operators_t03.dart   | 2 --
 Language/Expressions/Constants/math_operators_t04.dart   | 2 --
 Language/Expressions/Constants/math_operators_t05.dart   | 3 ---
 Language/Expressions/Constants/math_operators_t06.dart   | 2 --
 Language/Expressions/Constants/math_operators_t07.dart   | 1 -
 .../Constants/no_other_constant_expressions_t06.dart     | 2 --
 .../Constants/no_other_constant_expressions_t07.dart     | 2 --
 .../Constants/no_other_constant_expressions_t08.dart     | 2 --
 .../Constants/no_other_constant_expressions_t09.dart     | 2 --
 .../Constants/no_other_constant_expressions_t10.dart     | 2 --
 .../Constants/no_other_constant_expressions_t11.dart     | 2 --
 .../Constants/no_other_constant_expressions_t12.dart     | 2 --
 .../Constants/no_other_constant_expressions_t13.dart     | 2 --
 .../Constants/no_other_constant_expressions_t14.dart     | 2 --
 .../Constants/no_other_constant_expressions_t15.dart     | 2 --
 .../Constants/no_other_constant_expressions_t17.dart     | 1 -
 .../Constants/no_other_constant_expressions_t18.dart     | 2 --
 .../Constants/no_other_constant_expressions_t20.dart     | 2 --
 .../Constants/no_other_constant_expressions_t21.dart     | 2 --
 .../Constants/no_other_constant_expressions_t31.dart     | 2 --
 Language/Expressions/Constants/null_t01.dart             | 2 --
 .../Constants/parenthesized_expression_t01.dart          | 2 --
 Language/Expressions/Constants/static_constant_t01.dart  | 2 --
 Language/Expressions/Constants/static_constant_t02.dart  | 2 --
 Language/Expressions/Constants/static_constant_t03.dart  | 2 --
 Language/Expressions/Constants/static_constant_t04.dart  | 2 --
 Language/Expressions/Constants/static_constant_t05.dart  | 1 -
 Language/Expressions/Constants/static_constant_t06.dart  | 1 -
 Language/Expressions/Constants/static_constant_t07.dart  | 1 -
 Language/Expressions/Constants/static_method_t01.dart    | 1 -
 Language/Expressions/Constants/static_method_t02.dart    | 3 ---
 Language/Expressions/Constants/static_method_t03.dart    | 1 -
 Language/Expressions/Constants/string_length_t01.dart    | 1 -
 Language/Expressions/Constants/string_length_t02.dart    | 1 -
 Language/Expressions/Constants/string_length_t03.dart    | 3 +--
 Language/Expressions/Constants/ternary_operator_t01.dart | 1 -
 Language/Expressions/Constants/ternary_operator_t02.dart | 1 -
 .../Expressions/Constants/top_level_function_t01.dart    | 1 -
 .../Expressions/Constants/top_level_function_t02.dart    | 2 --
 .../Expressions/Constants/top_level_function_t03.dart    | 1 -
 .../Expressions/Constants/top_level_function_t04.dart    | 1 -
 .../Expressions/Constants/top_level_function_t05.dart    | 1 -
 Language/Expressions/Maps/equal_keys_t01.dart            | 2 +-
 Language/Expressions/Shift/syntax_t01.dart               | 2 +-
 Language/Expressions/syntax_t01.dart                     | 9 +++++----
 Language/Generics/Superbounded_types/class_A02_t02.dart  | 1 -
 Language/Generics/Superbounded_types/class_A02_t03.dart  | 1 -
 Language/Generics/Superbounded_types/class_A02_t04.dart  | 1 -
 102 files changed, 35 insertions(+), 163 deletions(-)

diff --git a/Language/Expressions/Constants/bitwise_operators_t01.dart b/Language/Expressions/Constants/bitwise_operators_t01.dart
index a75789ce95..06ca9be036 100644
--- a/Language/Expressions/Constants/bitwise_operators_t01.dart
+++ b/Language/Expressions/Constants/bitwise_operators_t01.dart
@@ -16,7 +16,7 @@
  * therefore, constant expressions.
  * @author iefremov
  */
-// SharedOptions=--enable-experiment=triple-shift,constant-update-2018
+// SharedOptions=--enable-experiment=triple-shift
 
 class C {
   final a, b, c, d, e, f, g, h;
diff --git a/Language/Expressions/Constants/bitwise_operators_t02.dart b/Language/Expressions/Constants/bitwise_operators_t02.dart
index 20882c497c..f2da442dcf 100644
--- a/Language/Expressions/Constants/bitwise_operators_t02.dart
+++ b/Language/Expressions/Constants/bitwise_operators_t02.dart
@@ -15,9 +15,7 @@
  * initialize a constant variable if e is boolean.
  * @compile-error
  * @author iefremov
- * @reviewer rodionov
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 const m = ~true;
 
 main() {
diff --git a/Language/Expressions/Constants/bitwise_operators_t03.dart b/Language/Expressions/Constants/bitwise_operators_t03.dart
index adbc826e55..59978c0215 100644
--- a/Language/Expressions/Constants/bitwise_operators_t03.dart
+++ b/Language/Expressions/Constants/bitwise_operators_t03.dart
@@ -16,9 +16,8 @@
  * used to initialize a constant variable.
  * @compile-error
  * @author kaigorodov
- * @reviewer rodionov
  */
-// SharedOptions=--enable-experiment=constant-update-2018
+
 final constList = const [
   true & 1,
 ];
diff --git a/Language/Expressions/Constants/bitwise_operators_t04.dart b/Language/Expressions/Constants/bitwise_operators_t04.dart
index c7156420ed..dc158527e0 100644
--- a/Language/Expressions/Constants/bitwise_operators_t04.dart
+++ b/Language/Expressions/Constants/bitwise_operators_t04.dart
@@ -16,9 +16,8 @@
  * initialize a constant variable.
  * @compile-error
  * @author kaigorodov
- * @reviewer rodionov
  */
-// SharedOptions=--enable-experiment=constant-update-2018
+
 final constList = const [
   ~"oneoneeleven"
 ];
diff --git a/Language/Expressions/Constants/bitwise_operators_t05.dart b/Language/Expressions/Constants/bitwise_operators_t05.dart
index 6090340b98..7c371cfb74 100644
--- a/Language/Expressions/Constants/bitwise_operators_t05.dart
+++ b/Language/Expressions/Constants/bitwise_operators_t05.dart
@@ -16,9 +16,8 @@
  * used to initialize a constant variable.
  * @compile-error
  * @author kaigorodov
- * @reviewer rodionov
  */
-// SharedOptions=--enable-experiment=constant-update-2018
+
 final constList = const [
   1 << "one and a half"
 ];
diff --git a/Language/Expressions/Constants/bitwise_operators_t06.dart b/Language/Expressions/Constants/bitwise_operators_t06.dart
index 62d8338085..dbbbd8638e 100644
--- a/Language/Expressions/Constants/bitwise_operators_t06.dart
+++ b/Language/Expressions/Constants/bitwise_operators_t06.dart
@@ -16,9 +16,8 @@
  * used to initialize a constant variable.
  * @compile-error
  * @author kaigorodov
- * @reviewer rodionov
  */
-// SharedOptions=--enable-experiment=constant-update-2018
+
 final constList = const [
   true >> 25
 ];
diff --git a/Language/Expressions/Constants/bitwise_operators_t07.dart b/Language/Expressions/Constants/bitwise_operators_t07.dart
index 4b8fc94e28..18d2b7e405 100644
--- a/Language/Expressions/Constants/bitwise_operators_t07.dart
+++ b/Language/Expressions/Constants/bitwise_operators_t07.dart
@@ -19,7 +19,8 @@
  * @compile-error
  * @author iarkh@unipro.ru
  */
-// SharedOptions=--enable-experiment=triple-shift,constant-update-2018
+// SharedOptions=--enable-experiment=triple-shift
+
 final constList = const [
   1 >>> "one and a half"
 ];
diff --git a/Language/Expressions/Constants/bitwise_operators_t08.dart b/Language/Expressions/Constants/bitwise_operators_t08.dart
index c809350a72..16ddbfd7ad 100644
--- a/Language/Expressions/Constants/bitwise_operators_t08.dart
+++ b/Language/Expressions/Constants/bitwise_operators_t08.dart
@@ -19,7 +19,7 @@
  * @compile-error
  * @author iarkh@unipro.ru
  */
-// SharedOptions=--enable-experiment=triple-shift,constant-update-2018
+// SharedOptions=--enable-experiment=triple-shift
 
 final constList = const [
   true >>> 25
diff --git a/Language/Expressions/Constants/constant_constructor_t01.dart b/Language/Expressions/Constants/constant_constructor_t01.dart
index 190d425318..7c8ef8af5a 100644
--- a/Language/Expressions/Constants/constant_constructor_t01.dart
+++ b/Language/Expressions/Constants/constant_constructor_t01.dart
@@ -14,9 +14,8 @@
  * an element of a constant list literal and is, therefore, a constant
  * expression.
  * @author iefremov
- * @reviewer rodionov
  */
-// SharedOptions=--enable-experiment=constant-update-2018
+
 import '../../../Utils/expect.dart';
 
 class A {
diff --git a/Language/Expressions/Constants/constant_constructor_t02.dart b/Language/Expressions/Constants/constant_constructor_t02.dart
index 3649019fef..4856f8b20c 100644
--- a/Language/Expressions/Constants/constant_constructor_t02.dart
+++ b/Language/Expressions/Constants/constant_constructor_t02.dart
@@ -14,7 +14,7 @@
  * a prefix is a constant expression.
  * @author ngl@unipro.ru
  */
-// SharedOptions=--enable-experiment=constant-update-2018
+
 import '../../../Utils/expect.dart';
 import 'constants_lib.dart' as clib;
 
diff --git a/Language/Expressions/Constants/constant_constructor_t03.dart b/Language/Expressions/Constants/constant_constructor_t03.dart
index 441f6fe6c3..be05056a6f 100644
--- a/Language/Expressions/Constants/constant_constructor_t03.dart
+++ b/Language/Expressions/Constants/constant_constructor_t03.dart
@@ -15,7 +15,7 @@
  * @compile-error
  * @author ngl@unipro.ru
  */
-// SharedOptions=--enable-experiment=constant-update-2018
+
 import '../../../Utils/expect.dart';
 import 'constants_lib.dart' deferred as clib;
 
diff --git a/Language/Expressions/Constants/constant_list_t01.dart b/Language/Expressions/Constants/constant_list_t01.dart
index 7d31549148..56e7f98919 100644
--- a/Language/Expressions/Constants/constant_list_t01.dart
+++ b/Language/Expressions/Constants/constant_list_t01.dart
@@ -14,7 +14,7 @@
  * @author iefremov
  * @reviewer rodionov
  */
-// SharedOptions=--enable-experiment=constant-update-2018
+
 import '../../../Utils/expect.dart';
 
 final constList = const [const ["hello", "world"]];
diff --git a/Language/Expressions/Constants/constant_list_t02.dart b/Language/Expressions/Constants/constant_list_t02.dart
index b720372945..c3260079e9 100644
--- a/Language/Expressions/Constants/constant_list_t02.dart
+++ b/Language/Expressions/Constants/constant_list_t02.dart
@@ -15,7 +15,7 @@
  * @author iefremov
  * @reviewer rodionov
  */
-// SharedOptions=--enable-experiment=constant-update-2018
+
 const a = [];
 
 main() {
diff --git a/Language/Expressions/Constants/constant_map_t01.dart b/Language/Expressions/Constants/constant_map_t01.dart
index 55155ec663..8bcaa1c6d8 100644
--- a/Language/Expressions/Constants/constant_map_t01.dart
+++ b/Language/Expressions/Constants/constant_map_t01.dart
@@ -14,7 +14,7 @@
  * @author iefremov
  * @reviewer rodionov
  */
-// SharedOptions=--enable-experiment=constant-update-2018
+
 import '../../../Utils/expect.dart';
 
 final constMap = const {"a" : 1, "b" : 2};
diff --git a/Language/Expressions/Constants/constant_map_t02.dart b/Language/Expressions/Constants/constant_map_t02.dart
index 4238bf0b0d..dac70a9ed6 100644
--- a/Language/Expressions/Constants/constant_map_t02.dart
+++ b/Language/Expressions/Constants/constant_map_t02.dart
@@ -15,7 +15,7 @@
  * @compile-error
  * @reviewer rodionov
  */
-// SharedOptions=--enable-experiment=constant-update-2018
+
 const a = {"a" : "b"};
 
 main() {
diff --git a/Language/Expressions/Constants/depending_on_itself_t01.dart b/Language/Expressions/Constants/depending_on_itself_t01.dart
index 834d4f34ea..e2dc9912aa 100644
--- a/Language/Expressions/Constants/depending_on_itself_t01.dart
+++ b/Language/Expressions/Constants/depending_on_itself_t01.dart
@@ -10,9 +10,8 @@
  * is initialized with itself.
  * @compile-error
  * @author iefremov
- * @reviewer rodionov
  */
-// SharedOptions=--enable-experiment=constant-update-2018
+
 const m = m;
 
 main() {
diff --git a/Language/Expressions/Constants/depending_on_itself_t02.dart b/Language/Expressions/Constants/depending_on_itself_t02.dart
index 6707c31a7f..749defa2ad 100644
--- a/Language/Expressions/Constants/depending_on_itself_t02.dart
+++ b/Language/Expressions/Constants/depending_on_itself_t02.dart
@@ -10,9 +10,8 @@
  * reference in a constant variable's initialization.
  * @compile-error
  * @author iefremov
- * @reviewer rodionov
  */
-// SharedOptions=--enable-experiment=constant-update-2018
+
 const a1 = a10;
 const a2 = a1;
 const a3 = a2;
diff --git a/Language/Expressions/Constants/depending_on_itself_t03.dart b/Language/Expressions/Constants/depending_on_itself_t03.dart
index 6b892b44a6..7e000a702e 100644
--- a/Language/Expressions/Constants/depending_on_itself_t03.dart
+++ b/Language/Expressions/Constants/depending_on_itself_t03.dart
@@ -10,9 +10,8 @@
  * field depends on a const constructor and vice versa.
  * @compile-error
  * @author iefremov
- * @reviewer rodionov
  */
-// SharedOptions=--enable-experiment=constant-update-2018
+
 class A {
   const A();
   final m = const A();
diff --git a/Language/Expressions/Constants/equals_expression_t01.dart b/Language/Expressions/Constants/equals_expression_t01.dart
index 210676be83..10edc7b75d 100644
--- a/Language/Expressions/Constants/equals_expression_t01.dart
+++ b/Language/Expressions/Constants/equals_expression_t01.dart
@@ -14,9 +14,8 @@
  * @description Checks that various expressions of the specified forms can be
  * elements of a constant list literal and are, therefore, constant expressions.
  * @author iefremov
- * @reviewer rodionov
  */
-// SharedOptions=--enable-experiment=constant-update-2018
+
 import '../../../Utils/expect.dart';
 
 final constList = const [
diff --git a/Language/Expressions/Constants/equals_expression_t02.dart b/Language/Expressions/Constants/equals_expression_t02.dart
index c4a790c0dd..ab0c046fd0 100644
--- a/Language/Expressions/Constants/equals_expression_t02.dart
+++ b/Language/Expressions/Constants/equals_expression_t02.dart
@@ -16,9 +16,8 @@
  * string or boolean value.
  * @compile-error
  * @author iefremov
- * @reviewer rodionov
  */
-// SharedOptions=--enable-experiment=constant-update-2018
+
 class A {
   const A();
 }
diff --git a/Language/Expressions/Constants/equals_expression_t03.dart b/Language/Expressions/Constants/equals_expression_t03.dart
index c593d1c76d..8a12bee55c 100644
--- a/Language/Expressions/Constants/equals_expression_t03.dart
+++ b/Language/Expressions/Constants/equals_expression_t03.dart
@@ -16,9 +16,8 @@
  * value, is used to initialize a constant variable.
  * @compile-error
  * @author kaigorodov
- * @reviewer rodionov
  */
-// SharedOptions=--enable-experiment=constant-update-2018
+
 class A {
   const A() : a = "hello";
   final a;
diff --git a/Language/Expressions/Constants/exception_t01.dart b/Language/Expressions/Constants/exception_t01.dart
index 5956f89286..126c9bd5c2 100644
--- a/Language/Expressions/Constants/exception_t01.dart
+++ b/Language/Expressions/Constants/exception_t01.dart
@@ -10,9 +10,8 @@
  * evaluation of a compile-time constant causes a compile-time error.
  * @compile-error
  * @author iefremov
- * @reviewer rodionov
  */
-// SharedOptions=--enable-experiment=constant-update-2018
+
 const m = 1 % 0;
 
 main() {
diff --git a/Language/Expressions/Constants/exception_t02.dart b/Language/Expressions/Constants/exception_t02.dart
index db0d34c642..819ba9697c 100644
--- a/Language/Expressions/Constants/exception_t02.dart
+++ b/Language/Expressions/Constants/exception_t02.dart
@@ -11,7 +11,6 @@
  * @author iefremov
  * @compile-error
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 
 const m = 1 ~/ 0;
 
diff --git a/Language/Expressions/Constants/exception_t03.dart b/Language/Expressions/Constants/exception_t03.dart
index ed6ace86f5..84c1b945c6 100644
--- a/Language/Expressions/Constants/exception_t03.dart
+++ b/Language/Expressions/Constants/exception_t03.dart
@@ -10,9 +10,8 @@
  * compile-time constant causes a compile-time error.
  * @compile-error
  * @author iefremov
- * @reviewer rodionov
  */
-// SharedOptions=--enable-experiment=constant-update-2018
+
 class A {
   const A(z) : x = z + z;
   final x;
diff --git a/Language/Expressions/Constants/exception_t04.dart b/Language/Expressions/Constants/exception_t04.dart
index f99126c6fb..3fb7575986 100644
--- a/Language/Expressions/Constants/exception_t04.dart
+++ b/Language/Expressions/Constants/exception_t04.dart
@@ -11,7 +11,7 @@
  * @compile-error
  * @author kaigorodov
  */
-// SharedOptions=--enable-experiment=constant-update-2018
+
 class C {
   final g;
   const C() :
diff --git a/Language/Expressions/Constants/exception_t05.dart b/Language/Expressions/Constants/exception_t05.dart
index cb154cb7ba..9391f0d6f9 100644
--- a/Language/Expressions/Constants/exception_t05.dart
+++ b/Language/Expressions/Constants/exception_t05.dart
@@ -11,7 +11,7 @@
  * @compile-error
  * @author kaigorodov
  */
-// SharedOptions=--enable-experiment=constant-update-2018
+
 class C {
   final m;
 
diff --git a/Language/Expressions/Constants/identical_t01.dart b/Language/Expressions/Constants/identical_t01.dart
index 29a8a2d2d2..9acc43ef08 100644
--- a/Language/Expressions/Constants/identical_t01.dart
+++ b/Language/Expressions/Constants/identical_t01.dart
@@ -14,9 +14,8 @@
  * @description Checks that various expressions of the specified forms can be
  * used in a constant list literal and are, therefore, constant expressions.
  * @author iefremov
- * @reviewer rodionov
  */
-// SharedOptions=--enable-experiment=constant-update-2018
+
 
 import '../../../Utils/expect.dart';
 
diff --git a/Language/Expressions/Constants/identical_t02.dart b/Language/Expressions/Constants/identical_t02.dart
index 4afba7fd07..479549bdc8 100644
--- a/Language/Expressions/Constants/identical_t02.dart
+++ b/Language/Expressions/Constants/identical_t02.dart
@@ -15,9 +15,7 @@
  * a constant expressions.
  * @compile-error
  * @author kaigorodov
- * @reviewer rodionov
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 
 import '../../../Utils/expect.dart';
 
diff --git a/Language/Expressions/Constants/identical_t03.dart b/Language/Expressions/Constants/identical_t03.dart
index 2fd01485c1..c51dc8b685 100644
--- a/Language/Expressions/Constants/identical_t03.dart
+++ b/Language/Expressions/Constants/identical_t03.dart
@@ -16,7 +16,6 @@
  * @compile-error
  * @author ilya
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 
 var x;
 const y = identical(x, x);
diff --git a/Language/Expressions/Constants/identifier_denotes_a_constant_t01.dart b/Language/Expressions/Constants/identifier_denotes_a_constant_t01.dart
index 5b0d73e925..bdcd7d107a 100644
--- a/Language/Expressions/Constants/identifier_denotes_a_constant_t01.dart
+++ b/Language/Expressions/Constants/identifier_denotes_a_constant_t01.dart
@@ -14,9 +14,7 @@
  * @description Checks that an identifier expression that denotes a constant
  * variable can be assigned to a constant variable.
  * @author kaigorodov
- * @reviewer rodionov
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 
 import '../../../Utils/expect.dart';
 
diff --git a/Language/Expressions/Constants/identifier_denotes_a_constant_t02.dart b/Language/Expressions/Constants/identifier_denotes_a_constant_t02.dart
index a84219d0b0..325864c0d8 100644
--- a/Language/Expressions/Constants/identifier_denotes_a_constant_t02.dart
+++ b/Language/Expressions/Constants/identifier_denotes_a_constant_t02.dart
@@ -14,9 +14,7 @@
  * @description Checks that an identifier expression that denotes a class
  * can be assigned to a constant variable.
  * @author kaigorodov
- * @reviewer rodionov
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 
 import '../../../Utils/expect.dart';
 
diff --git a/Language/Expressions/Constants/identifier_denotes_a_constant_t03.dart b/Language/Expressions/Constants/identifier_denotes_a_constant_t03.dart
index d035bed154..d2d0d68091 100644
--- a/Language/Expressions/Constants/identifier_denotes_a_constant_t03.dart
+++ b/Language/Expressions/Constants/identifier_denotes_a_constant_t03.dart
@@ -14,10 +14,9 @@
  * @description Checks that an identifier expression that denotes a type
  * parameter cannot be used as const initializer.
  * @compile-error
- * @issue 27477
+ * @Issue 27477
  * @author rodionov
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 
 class C<T> {
   static const List lst = const [T];
diff --git a/Language/Expressions/Constants/identifier_denotes_a_constant_t04.dart b/Language/Expressions/Constants/identifier_denotes_a_constant_t04.dart
index bd60b71ac8..d9825382c1 100644
--- a/Language/Expressions/Constants/identifier_denotes_a_constant_t04.dart
+++ b/Language/Expressions/Constants/identifier_denotes_a_constant_t04.dart
@@ -15,7 +15,6 @@
  * can be assigned to a constant variable.
  * @author ilya
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 
 import '../../../Utils/expect.dart';
 
diff --git a/Language/Expressions/Constants/identifier_denotes_a_constant_t05.dart b/Language/Expressions/Constants/identifier_denotes_a_constant_t05.dart
index f438140da6..51b1b950d2 100644
--- a/Language/Expressions/Constants/identifier_denotes_a_constant_t05.dart
+++ b/Language/Expressions/Constants/identifier_denotes_a_constant_t05.dart
@@ -15,7 +15,6 @@
  * type alias is a constant expression.
  * @author ilya
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 
 import '../lib.dart' as prefix;
 
diff --git a/Language/Expressions/Constants/identifier_denotes_a_constant_t06.dart b/Language/Expressions/Constants/identifier_denotes_a_constant_t06.dart
index 6f5225628f..5ffbac6b25 100644
--- a/Language/Expressions/Constants/identifier_denotes_a_constant_t06.dart
+++ b/Language/Expressions/Constants/identifier_denotes_a_constant_t06.dart
@@ -16,7 +16,6 @@
  * @compile-error
  * @author ngl@unipo.ru
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 
 import '../lib.dart' deferred as prefix;
 
diff --git a/Language/Expressions/Constants/identifier_denotes_a_constant_t07.dart b/Language/Expressions/Constants/identifier_denotes_a_constant_t07.dart
index 59c54cac90..e7fb8c3645 100644
--- a/Language/Expressions/Constants/identifier_denotes_a_constant_t07.dart
+++ b/Language/Expressions/Constants/identifier_denotes_a_constant_t07.dart
@@ -16,7 +16,6 @@
  * @compile-error
  * @author ngl@unipo.ru
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 
 import '../lib.dart' deferred as prefix;
 
diff --git a/Language/Expressions/Constants/integer_size_t01.dart b/Language/Expressions/Constants/integer_size_t01.dart
index e07c95aeb8..f1606e1a62 100644
--- a/Language/Expressions/Constants/integer_size_t01.dart
+++ b/Language/Expressions/Constants/integer_size_t01.dart
@@ -11,7 +11,6 @@
  * @compile-error
  * @author sgrekhov@unipro.ru
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 
 main() {
   var i = 0x7FFFFFFFFFFFFFFF0;
diff --git a/Language/Expressions/Constants/integer_size_t02.dart b/Language/Expressions/Constants/integer_size_t02.dart
index 3667a78c8e..e2be44bf3f 100644
--- a/Language/Expressions/Constants/integer_size_t02.dart
+++ b/Language/Expressions/Constants/integer_size_t02.dart
@@ -11,7 +11,6 @@
  * @compile-error
  * @author sgrekhov@unipro.ru
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 
 main() {
   var i = 0x80000000000000000;
diff --git a/Language/Expressions/Constants/integer_size_t03.dart b/Language/Expressions/Constants/integer_size_t03.dart
index 89355360dd..81b954220b 100644
--- a/Language/Expressions/Constants/integer_size_t03.dart
+++ b/Language/Expressions/Constants/integer_size_t03.dart
@@ -10,7 +10,6 @@
  * numeric value -2^63 <= i < 2^63
  * @author sgrekhov@unipro.ru
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 
 import "dart:math";
 import '../../../Utils/expect.dart';
diff --git a/Language/Expressions/Constants/integer_size_t04.dart b/Language/Expressions/Constants/integer_size_t04.dart
index af2d7f91b1..03767443cf 100644
--- a/Language/Expressions/Constants/integer_size_t04.dart
+++ b/Language/Expressions/Constants/integer_size_t04.dart
@@ -9,7 +9,6 @@
  * @description Checks valid compile-time integer constants
  * @author sgrekhov@unipro.ru
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 
 import '../../../Utils/expect.dart';
 
diff --git a/Language/Expressions/Constants/literal_boolean_t01.dart b/Language/Expressions/Constants/literal_boolean_t01.dart
index 2e25dd8afb..786c1cfdad 100644
--- a/Language/Expressions/Constants/literal_boolean_t01.dart
+++ b/Language/Expressions/Constants/literal_boolean_t01.dart
@@ -14,7 +14,6 @@
  * @author iefremov
  * @reviewer rodionov
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 
 import '../../../Utils/expect.dart';
 
diff --git a/Language/Expressions/Constants/literal_number_t01.dart b/Language/Expressions/Constants/literal_number_t01.dart
index f4278e89ca..541c92d7a5 100644
--- a/Language/Expressions/Constants/literal_number_t01.dart
+++ b/Language/Expressions/Constants/literal_number_t01.dart
@@ -12,9 +12,7 @@
  * constant list literal and are, therefore, constant expressions. Minus sign
  * is not a part of a number literal so those are not included in this test.
  * @author iefremov
- * @reviewer rodionov
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 
 import '../../../Utils/expect.dart';
 
diff --git a/Language/Expressions/Constants/literal_string_t01.dart b/Language/Expressions/Constants/literal_string_t01.dart
index 25eaed196b..c6caf7049e 100644
--- a/Language/Expressions/Constants/literal_string_t01.dart
+++ b/Language/Expressions/Constants/literal_string_t01.dart
@@ -13,9 +13,7 @@
  * @description Checks that various literal strings can be elements of a
  * constant list literal and are, therefore, constant expressions.
  * @author iefremov
- * @reviewer rodionov
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 
 import '../../../Utils/expect.dart';
 
diff --git a/Language/Expressions/Constants/literal_string_t02.dart b/Language/Expressions/Constants/literal_string_t02.dart
index 8ba1e3dffe..04b5171c03 100644
--- a/Language/Expressions/Constants/literal_string_t02.dart
+++ b/Language/Expressions/Constants/literal_string_t02.dart
@@ -15,9 +15,7 @@
  * value, cannot be assigned to a constant variable.
  * @author iefremov
  * @compile-error
- * @reviewer rodionov
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 
 const l = "${const {'k1': 1, 'k2': 2}}";
 
diff --git a/Language/Expressions/Constants/literal_string_t03.dart b/Language/Expressions/Constants/literal_string_t03.dart
index c2e4a3f562..95b54e0419 100644
--- a/Language/Expressions/Constants/literal_string_t03.dart
+++ b/Language/Expressions/Constants/literal_string_t03.dart
@@ -15,9 +15,7 @@
  * cannot be assigned to a constant variable.
  * @compile-error
  * @author msyabro
- * @reviewer iefremov
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 
 foo() => 1;
 
diff --git a/Language/Expressions/Constants/literal_string_t04.dart b/Language/Expressions/Constants/literal_string_t04.dart
index 0efa967cd0..31e153a318 100644
--- a/Language/Expressions/Constants/literal_string_t04.dart
+++ b/Language/Expressions/Constants/literal_string_t04.dart
@@ -15,7 +15,6 @@
  * to a constant variable.
  * @author msyabro
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 
 import "../../../Utils/expect.dart";
 
diff --git a/Language/Expressions/Constants/literal_string_t05.dart b/Language/Expressions/Constants/literal_string_t05.dart
index c619f70cd1..e55032d511 100644
--- a/Language/Expressions/Constants/literal_string_t05.dart
+++ b/Language/Expressions/Constants/literal_string_t05.dart
@@ -15,9 +15,7 @@
  * assigned to a constant variable.
  * @compile-error
  * @author msyabro
- * @reviewer iefremov
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 
 const i1 = "${1.toString()}";
 
diff --git a/Language/Expressions/Constants/literal_symbol_t01.dart b/Language/Expressions/Constants/literal_symbol_t01.dart
index 16f3323037..5b5f976295 100644
--- a/Language/Expressions/Constants/literal_symbol_t01.dart
+++ b/Language/Expressions/Constants/literal_symbol_t01.dart
@@ -13,7 +13,6 @@
  * variable.
  * @author ilya
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 
 const i1 = #foo;
 
diff --git a/Language/Expressions/Constants/logical_expression_t01.dart b/Language/Expressions/Constants/logical_expression_t01.dart
index 53c4d1ef5a..80aaef0d23 100644
--- a/Language/Expressions/Constants/logical_expression_t01.dart
+++ b/Language/Expressions/Constants/logical_expression_t01.dart
@@ -14,9 +14,7 @@
  * used within the initializer list of a constant constructor and are,
  * therefore, constant expressions.
  * @author iefremov
- * @reviewer rodionov
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 
 class C {
   final a, b, c, d, e;
diff --git a/Language/Expressions/Constants/logical_expression_t02.dart b/Language/Expressions/Constants/logical_expression_t02.dart
index d799f7470a..458bc84941 100644
--- a/Language/Expressions/Constants/logical_expression_t02.dart
+++ b/Language/Expressions/Constants/logical_expression_t02.dart
@@ -14,9 +14,7 @@
  * initialize a constant variable if e does not evaluate to a boolean value.
  * @compile-error
  * @author iefremov
- * @reviewer rodionov
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 
 const m = !1;
 
diff --git a/Language/Expressions/Constants/logical_expression_t03.dart b/Language/Expressions/Constants/logical_expression_t03.dart
index 266c30afbd..016b4f17c8 100644
--- a/Language/Expressions/Constants/logical_expression_t03.dart
+++ b/Language/Expressions/Constants/logical_expression_t03.dart
@@ -16,7 +16,6 @@
  * @author iefremov
  * @reviewer rodionov
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 
 const m = (true || 0);
 
diff --git a/Language/Expressions/Constants/logical_expression_t04.dart b/Language/Expressions/Constants/logical_expression_t04.dart
index f451094ad3..6c74154cd6 100644
--- a/Language/Expressions/Constants/logical_expression_t04.dart
+++ b/Language/Expressions/Constants/logical_expression_t04.dart
@@ -15,9 +15,7 @@
  * used to initialize a constant variable.
  * @compile-error
  * @author kaigorodov
- * @reviewer rodionov
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 
 final constList = const [
   true && 1,
diff --git a/Language/Expressions/Constants/math_operators_t01.dart b/Language/Expressions/Constants/math_operators_t01.dart
index 77d34741c6..42202810cd 100644
--- a/Language/Expressions/Constants/math_operators_t01.dart
+++ b/Language/Expressions/Constants/math_operators_t01.dart
@@ -17,9 +17,7 @@
  * elements of a constant list literal and are, therefore, constant
  * expressions.
  * @author iefremov
- * @reviewer rodionov
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 
 import '../../../Utils/expect.dart';
 
diff --git a/Language/Expressions/Constants/math_operators_t02.dart b/Language/Expressions/Constants/math_operators_t02.dart
index dbdc17f963..a1c91fe8a3 100644
--- a/Language/Expressions/Constants/math_operators_t02.dart
+++ b/Language/Expressions/Constants/math_operators_t02.dart
@@ -17,9 +17,7 @@
  * initialize a constant variable if e1 is integer and e2 is a string.
  * @compile-error
  * @author iefremov
- * @reviewer rodionov
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 
 const m = 1 + "";
 
diff --git a/Language/Expressions/Constants/math_operators_t03.dart b/Language/Expressions/Constants/math_operators_t03.dart
index 4ee00b6997..6909d5ba91 100644
--- a/Language/Expressions/Constants/math_operators_t03.dart
+++ b/Language/Expressions/Constants/math_operators_t03.dart
@@ -17,9 +17,7 @@
  * initialize a constant variable if e2 is string.
  * @compile-error
  * @author iefremov
- * @reviewer rodionov
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 
 const m = 1 - "1";
 
diff --git a/Language/Expressions/Constants/math_operators_t04.dart b/Language/Expressions/Constants/math_operators_t04.dart
index fab58391e8..91d1b0865d 100644
--- a/Language/Expressions/Constants/math_operators_t04.dart
+++ b/Language/Expressions/Constants/math_operators_t04.dart
@@ -17,9 +17,7 @@
  * to initialize a constant variable if e1 is a string.
  * @compile-error
  * @author iefremov
- * @reviewer rodionov
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 
 const m = "1" <= 1;
 
diff --git a/Language/Expressions/Constants/math_operators_t05.dart b/Language/Expressions/Constants/math_operators_t05.dart
index d3be695877..03f593a67b 100644
--- a/Language/Expressions/Constants/math_operators_t05.dart
+++ b/Language/Expressions/Constants/math_operators_t05.dart
@@ -17,10 +17,7 @@
  * the form e1 + e2 where e1 or e2 does not evaluate to a numeric value, is
  * used to initialize a constant variable.
  * @compile-error
- * @author kaigorodov
- * @reviewer rodionov
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 
 final constList = const [
   true + 1,
diff --git a/Language/Expressions/Constants/math_operators_t06.dart b/Language/Expressions/Constants/math_operators_t06.dart
index 9e7fd00afc..abec65b3d8 100644
--- a/Language/Expressions/Constants/math_operators_t06.dart
+++ b/Language/Expressions/Constants/math_operators_t06.dart
@@ -17,9 +17,7 @@
  * used within the initializer list of a constant constructor and are,
  * therefore, constant expressions.
  * @author iefremov
- * @reviewer rodionov
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 
 class C {
   const C() :
diff --git a/Language/Expressions/Constants/math_operators_t07.dart b/Language/Expressions/Constants/math_operators_t07.dart
index 3d872d3d81..0320400ffa 100644
--- a/Language/Expressions/Constants/math_operators_t07.dart
+++ b/Language/Expressions/Constants/math_operators_t07.dart
@@ -17,7 +17,6 @@
  * initialize a constant variable if e1 and e2 are strings.
  * @author ngl@unipro.ru
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 import '../../../Utils/expect.dart';
 
 const m = "ab" + "cd";
diff --git a/Language/Expressions/Constants/no_other_constant_expressions_t06.dart b/Language/Expressions/Constants/no_other_constant_expressions_t06.dart
index dd290c12cc..17f386f01d 100644
--- a/Language/Expressions/Constants/no_other_constant_expressions_t06.dart
+++ b/Language/Expressions/Constants/no_other_constant_expressions_t06.dart
@@ -9,9 +9,7 @@
  * a constant variable.
  * @compile-error
  * @author iefremov
- * @reviewer rodionov
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 
 class A {}
 const a = new A();
diff --git a/Language/Expressions/Constants/no_other_constant_expressions_t07.dart b/Language/Expressions/Constants/no_other_constant_expressions_t07.dart
index 17e8f76a58..f2cbdcd802 100644
--- a/Language/Expressions/Constants/no_other_constant_expressions_t07.dart
+++ b/Language/Expressions/Constants/no_other_constant_expressions_t07.dart
@@ -9,9 +9,7 @@
  * cannot be used to initialize a constant variable.
  * @compile-error
  * @author iefremov
- * @reviewer rodionov
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 
 class A {
   const A();
diff --git a/Language/Expressions/Constants/no_other_constant_expressions_t08.dart b/Language/Expressions/Constants/no_other_constant_expressions_t08.dart
index 0159f7d7eb..0547af6d5e 100644
--- a/Language/Expressions/Constants/no_other_constant_expressions_t08.dart
+++ b/Language/Expressions/Constants/no_other_constant_expressions_t08.dart
@@ -9,9 +9,7 @@
  * initialize a constant variable.
  * @compile-error
  * @author iefremov
- * @reviewer rodionov
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 
 class A {
   const A();
diff --git a/Language/Expressions/Constants/no_other_constant_expressions_t09.dart b/Language/Expressions/Constants/no_other_constant_expressions_t09.dart
index 2dc87ab2c7..d067c2b5e7 100644
--- a/Language/Expressions/Constants/no_other_constant_expressions_t09.dart
+++ b/Language/Expressions/Constants/no_other_constant_expressions_t09.dart
@@ -9,9 +9,7 @@
  * initialize a constant variable.
  * @compile-error
  * @author iefremov
- * @reviewer rodionov
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 
 class A {
   const A();
diff --git a/Language/Expressions/Constants/no_other_constant_expressions_t10.dart b/Language/Expressions/Constants/no_other_constant_expressions_t10.dart
index 3215f0bfab..772176c1ef 100644
--- a/Language/Expressions/Constants/no_other_constant_expressions_t10.dart
+++ b/Language/Expressions/Constants/no_other_constant_expressions_t10.dart
@@ -9,9 +9,7 @@
  * initialize a constant variable.
  * @compile-error
  * @author iefremov
- * @reviewer rodionov
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 
 class A {
   static m() {}
diff --git a/Language/Expressions/Constants/no_other_constant_expressions_t11.dart b/Language/Expressions/Constants/no_other_constant_expressions_t11.dart
index bb2a90c176..8e850e9ddf 100644
--- a/Language/Expressions/Constants/no_other_constant_expressions_t11.dart
+++ b/Language/Expressions/Constants/no_other_constant_expressions_t11.dart
@@ -9,9 +9,7 @@
  * initialize a constant variable.
  * @compile-error
  * @author iefremov
- * @reviewer rodionov
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 
 class A {
   static get m {}
diff --git a/Language/Expressions/Constants/no_other_constant_expressions_t12.dart b/Language/Expressions/Constants/no_other_constant_expressions_t12.dart
index 8f993cf08c..877b2da2d6 100644
--- a/Language/Expressions/Constants/no_other_constant_expressions_t12.dart
+++ b/Language/Expressions/Constants/no_other_constant_expressions_t12.dart
@@ -9,9 +9,7 @@
  * initialize a constant variable.
  * @compile-error
  * @author iefremov
- * @reviewer rodionov
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 
 class A {
   const A();
diff --git a/Language/Expressions/Constants/no_other_constant_expressions_t13.dart b/Language/Expressions/Constants/no_other_constant_expressions_t13.dart
index abf826e9b2..31597181d7 100644
--- a/Language/Expressions/Constants/no_other_constant_expressions_t13.dart
+++ b/Language/Expressions/Constants/no_other_constant_expressions_t13.dart
@@ -9,9 +9,7 @@
  * initialize a constant variable.
  * @compile-error
  * @author iefremov
- * @reviewer rodionov
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 
 var a;
 const m = (a = 1);
diff --git a/Language/Expressions/Constants/no_other_constant_expressions_t14.dart b/Language/Expressions/Constants/no_other_constant_expressions_t14.dart
index d7c90baa2c..d57870d0d1 100644
--- a/Language/Expressions/Constants/no_other_constant_expressions_t14.dart
+++ b/Language/Expressions/Constants/no_other_constant_expressions_t14.dart
@@ -9,9 +9,7 @@
  * initialize a constant variable.
  * @compile-error
  * @author iefremov
- * @reviewer rodionov
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 
 class A {
   const A();
diff --git a/Language/Expressions/Constants/no_other_constant_expressions_t15.dart b/Language/Expressions/Constants/no_other_constant_expressions_t15.dart
index 4093654b5e..6b97e581ab 100644
--- a/Language/Expressions/Constants/no_other_constant_expressions_t15.dart
+++ b/Language/Expressions/Constants/no_other_constant_expressions_t15.dart
@@ -9,9 +9,7 @@
  * initialize a constant variable.
  * @compile-error
  * @author iefremov
- * @reviewer rodionov
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 
 class A {
   const A();
diff --git a/Language/Expressions/Constants/no_other_constant_expressions_t17.dart b/Language/Expressions/Constants/no_other_constant_expressions_t17.dart
index b10f97b4bd..da58609605 100644
--- a/Language/Expressions/Constants/no_other_constant_expressions_t17.dart
+++ b/Language/Expressions/Constants/no_other_constant_expressions_t17.dart
@@ -11,7 +11,6 @@
  * constant variable.
  * @author iefremov
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 
 import "../../../Utils/expect.dart";
 
diff --git a/Language/Expressions/Constants/no_other_constant_expressions_t18.dart b/Language/Expressions/Constants/no_other_constant_expressions_t18.dart
index 647e9715f3..298c3a4fdc 100644
--- a/Language/Expressions/Constants/no_other_constant_expressions_t18.dart
+++ b/Language/Expressions/Constants/no_other_constant_expressions_t18.dart
@@ -9,9 +9,7 @@
  * initialize a constant variable.
  * @compile-error
  * @author iefremov
- * @reviewer rodionov
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 
 var a = 1;
 const m = a++;
diff --git a/Language/Expressions/Constants/no_other_constant_expressions_t20.dart b/Language/Expressions/Constants/no_other_constant_expressions_t20.dart
index ba60191563..28f59d4e97 100644
--- a/Language/Expressions/Constants/no_other_constant_expressions_t20.dart
+++ b/Language/Expressions/Constants/no_other_constant_expressions_t20.dart
@@ -9,9 +9,7 @@
  * initialize a constant variable.
  * @compile-error
  * @author iefremov
- * @reviewer rodionov
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 
 var a = 1;
 const m = --a;
diff --git a/Language/Expressions/Constants/no_other_constant_expressions_t21.dart b/Language/Expressions/Constants/no_other_constant_expressions_t21.dart
index 47bc91c5e4..634320c157 100644
--- a/Language/Expressions/Constants/no_other_constant_expressions_t21.dart
+++ b/Language/Expressions/Constants/no_other_constant_expressions_t21.dart
@@ -9,9 +9,7 @@
  * initialize a constant variable.
  * @compile-error
  * @author iefremov
- * @reviewer rodionov
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 
 var a = 1;
 const m = ++a;
diff --git a/Language/Expressions/Constants/no_other_constant_expressions_t31.dart b/Language/Expressions/Constants/no_other_constant_expressions_t31.dart
index febb98e49c..c0924cbbb5 100644
--- a/Language/Expressions/Constants/no_other_constant_expressions_t31.dart
+++ b/Language/Expressions/Constants/no_other_constant_expressions_t31.dart
@@ -9,9 +9,7 @@
  * initialize a constant variable.
  * @compile-error
  * @author iefremov
- * @reviewer rodionov
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 
 var a = 1;
 const m = a--;
diff --git a/Language/Expressions/Constants/null_t01.dart b/Language/Expressions/Constants/null_t01.dart
index babbf181b7..eb5e04b084 100644
--- a/Language/Expressions/Constants/null_t01.dart
+++ b/Language/Expressions/Constants/null_t01.dart
@@ -12,9 +12,7 @@
  * @description Checks that null can be an element of a constant list literal
  * and is, therefore, a constant expression.
  * @author iefremov
- * @reviewer rodionov
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 
 import '../../../Utils/expect.dart';
 
diff --git a/Language/Expressions/Constants/parenthesized_expression_t01.dart b/Language/Expressions/Constants/parenthesized_expression_t01.dart
index 0c628439ce..c02392f9cb 100644
--- a/Language/Expressions/Constants/parenthesized_expression_t01.dart
+++ b/Language/Expressions/Constants/parenthesized_expression_t01.dart
@@ -12,9 +12,7 @@
  * @description Checks that a parenthesized constant expression can be an
  * element of a constant list literal and is, therefore, a constant expression.
  * @author msyabro
- * @reviewer rodionov
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 
 import '../../../Utils/expect.dart';
 
diff --git a/Language/Expressions/Constants/static_constant_t01.dart b/Language/Expressions/Constants/static_constant_t01.dart
index f1326fe8dd..48209da40b 100644
--- a/Language/Expressions/Constants/static_constant_t01.dart
+++ b/Language/Expressions/Constants/static_constant_t01.dart
@@ -14,9 +14,7 @@
  * elementof a constant list literal and is, therefore, a constant expression.
  * @author iefremov
  * @reviewer rodionov
- * @reviewer msyabro
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 
 import '../../../Utils/expect.dart';
 
diff --git a/Language/Expressions/Constants/static_constant_t02.dart b/Language/Expressions/Constants/static_constant_t02.dart
index 7859f6de13..3a6e8c81a7 100644
--- a/Language/Expressions/Constants/static_constant_t02.dart
+++ b/Language/Expressions/Constants/static_constant_t02.dart
@@ -14,9 +14,7 @@
  * to a constant variable.
  * @compile-error
  * @author msyabro
- * @reviewer iefremov
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 
 final x = 1;
 
diff --git a/Language/Expressions/Constants/static_constant_t03.dart b/Language/Expressions/Constants/static_constant_t03.dart
index 940cec75c8..9c0aea184c 100644
--- a/Language/Expressions/Constants/static_constant_t03.dart
+++ b/Language/Expressions/Constants/static_constant_t03.dart
@@ -14,9 +14,7 @@
  * assigned to a constant variable.
  * @compile-error
  * @author msyabro
- * @reviewer iefremov
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 
 class A {
   static final x = 1;
diff --git a/Language/Expressions/Constants/static_constant_t04.dart b/Language/Expressions/Constants/static_constant_t04.dart
index f16dde5c6b..586a59f179 100644
--- a/Language/Expressions/Constants/static_constant_t04.dart
+++ b/Language/Expressions/Constants/static_constant_t04.dart
@@ -14,9 +14,7 @@
  * cannot be used to initialize a constant variable.
  * @compile-error
  * @author iefremov
- * @reviewer rodionov
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 
 var a = 1;
 const m = a;
diff --git a/Language/Expressions/Constants/static_constant_t05.dart b/Language/Expressions/Constants/static_constant_t05.dart
index 1451e2b70a..33c5369d1c 100644
--- a/Language/Expressions/Constants/static_constant_t05.dart
+++ b/Language/Expressions/Constants/static_constant_t05.dart
@@ -14,7 +14,6 @@
  * constant variable can be used as a constant expression.
  * @author ngl@unipro.ru
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 
 import '../../../Utils/expect.dart';
 import 'constants_lib.dart' as clib;
diff --git a/Language/Expressions/Constants/static_constant_t06.dart b/Language/Expressions/Constants/static_constant_t06.dart
index 047aedcbbe..3cef91abf4 100644
--- a/Language/Expressions/Constants/static_constant_t06.dart
+++ b/Language/Expressions/Constants/static_constant_t06.dart
@@ -15,7 +15,6 @@
  * @compile-error
  * @author ngl@unipro.ru
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 
 import '../../../Utils/expect.dart';
 import 'constants_lib.dart' deferred as clib;
diff --git a/Language/Expressions/Constants/static_constant_t07.dart b/Language/Expressions/Constants/static_constant_t07.dart
index 00e1c57981..e0514eb0d9 100644
--- a/Language/Expressions/Constants/static_constant_t07.dart
+++ b/Language/Expressions/Constants/static_constant_t07.dart
@@ -15,7 +15,6 @@
  * @compile-error
  * @author ngl@unipro.ru
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 
 import '../../../Utils/expect.dart';
 import 'constants_lib.dart' deferred as clib;
diff --git a/Language/Expressions/Constants/static_method_t01.dart b/Language/Expressions/Constants/static_method_t01.dart
index 0344692838..8f2e91007c 100644
--- a/Language/Expressions/Constants/static_method_t01.dart
+++ b/Language/Expressions/Constants/static_method_t01.dart
@@ -15,7 +15,6 @@
  * @author rodionov
  * @reviewer kaigorodov
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 
 foo() {}
 
diff --git a/Language/Expressions/Constants/static_method_t02.dart b/Language/Expressions/Constants/static_method_t02.dart
index c52bfcdc4b..aea703548c 100644
--- a/Language/Expressions/Constants/static_method_t02.dart
+++ b/Language/Expressions/Constants/static_method_t02.dart
@@ -14,9 +14,7 @@
  * a constant expression.
  * @compile-error
  * @author kaigorodov
- * @reviewer msyabro
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 
 class Bad {
   void m() {}
@@ -26,7 +24,6 @@ class Bad {
  }
 }
 
-
 main() {
   try {
     Bad b = new Bad();
diff --git a/Language/Expressions/Constants/static_method_t03.dart b/Language/Expressions/Constants/static_method_t03.dart
index e488a573fe..4503aba3a7 100644
--- a/Language/Expressions/Constants/static_method_t03.dart
+++ b/Language/Expressions/Constants/static_method_t03.dart
@@ -15,7 +15,6 @@
  * @compile-error
  * @author ilya
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 
 main() {
   f() {
diff --git a/Language/Expressions/Constants/string_length_t01.dart b/Language/Expressions/Constants/string_length_t01.dart
index d2dad97b5c..c4b4ce6ad9 100644
--- a/Language/Expressions/Constants/string_length_t01.dart
+++ b/Language/Expressions/Constants/string_length_t01.dart
@@ -15,7 +15,6 @@
  * string.
  * @author ngl@unipro.ru
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 
 import '../../../Utils/expect.dart';
 
diff --git a/Language/Expressions/Constants/string_length_t02.dart b/Language/Expressions/Constants/string_length_t02.dart
index 82f66f17f6..2d0254fefe 100644
--- a/Language/Expressions/Constants/string_length_t02.dart
+++ b/Language/Expressions/Constants/string_length_t02.dart
@@ -16,7 +16,6 @@
  * @issue #24940
  * @author ngl@unipro.ru
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 
 import '../../../Utils/expect.dart';
 
diff --git a/Language/Expressions/Constants/string_length_t03.dart b/Language/Expressions/Constants/string_length_t03.dart
index f44f31794a..592f01933b 100644
--- a/Language/Expressions/Constants/string_length_t03.dart
+++ b/Language/Expressions/Constants/string_length_t03.dart
@@ -13,10 +13,9 @@
  * @description Checks that an expression of the form e.length cannot be used
  * to initialize a constant variable if e isn't constant expression.
  * @compile-error
- * @issue #24940
+ * @Issue #24940
  * @author ngl@unipro.ru
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 
 import '../../../Utils/expect.dart';
 
diff --git a/Language/Expressions/Constants/ternary_operator_t01.dart b/Language/Expressions/Constants/ternary_operator_t01.dart
index fd432e2304..50d81627ce 100644
--- a/Language/Expressions/Constants/ternary_operator_t01.dart
+++ b/Language/Expressions/Constants/ternary_operator_t01.dart
@@ -14,7 +14,6 @@
  * operands are constant expressions.
  * @author ilya
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 
 import '../../../Utils/expect.dart';
 
diff --git a/Language/Expressions/Constants/ternary_operator_t02.dart b/Language/Expressions/Constants/ternary_operator_t02.dart
index 613645ece2..08245d48f1 100644
--- a/Language/Expressions/Constants/ternary_operator_t02.dart
+++ b/Language/Expressions/Constants/ternary_operator_t02.dart
@@ -15,7 +15,6 @@
  * @compile-error
  * @author ilya
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 
 const x = true;
 const y = null ? true : 1;
diff --git a/Language/Expressions/Constants/top_level_function_t01.dart b/Language/Expressions/Constants/top_level_function_t01.dart
index a8a3034652..600664ed78 100644
--- a/Language/Expressions/Constants/top_level_function_t01.dart
+++ b/Language/Expressions/Constants/top_level_function_t01.dart
@@ -16,7 +16,6 @@
  * @author iefremov
  * @reviewer rodionov
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 
 const a = () {};
 
diff --git a/Language/Expressions/Constants/top_level_function_t02.dart b/Language/Expressions/Constants/top_level_function_t02.dart
index e78adfaeff..a77b882ed4 100644
--- a/Language/Expressions/Constants/top_level_function_t02.dart
+++ b/Language/Expressions/Constants/top_level_function_t02.dart
@@ -14,9 +14,7 @@
  * variable.
  * @compile-error
  * @author iefremov
- * @reviewer rodionov
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 
 const a = () => null;
 
diff --git a/Language/Expressions/Constants/top_level_function_t03.dart b/Language/Expressions/Constants/top_level_function_t03.dart
index 7f88e882c3..8dae7fe3fd 100644
--- a/Language/Expressions/Constants/top_level_function_t03.dart
+++ b/Language/Expressions/Constants/top_level_function_t03.dart
@@ -15,7 +15,6 @@
  * variable.
  * @author ngl@unipro.ru
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 
 import '../../../Utils/expect.dart';
 import 'constants_lib.dart' as clib;
diff --git a/Language/Expressions/Constants/top_level_function_t04.dart b/Language/Expressions/Constants/top_level_function_t04.dart
index 77876609b6..5bca373670 100644
--- a/Language/Expressions/Constants/top_level_function_t04.dart
+++ b/Language/Expressions/Constants/top_level_function_t04.dart
@@ -16,7 +16,6 @@
  * @compile-error
  * @author ngl@unipro.ru
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 
 import 'constants_lib.dart' deferred as clib;
 
diff --git a/Language/Expressions/Constants/top_level_function_t05.dart b/Language/Expressions/Constants/top_level_function_t05.dart
index b3ff1080a6..da092c4b12 100644
--- a/Language/Expressions/Constants/top_level_function_t05.dart
+++ b/Language/Expressions/Constants/top_level_function_t05.dart
@@ -15,7 +15,6 @@
  * @compile-error
  * @author ngl@unipro.ru
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 
 import 'constants_lib.dart' deferred as clib;
 
diff --git a/Language/Expressions/Maps/equal_keys_t01.dart b/Language/Expressions/Maps/equal_keys_t01.dart
index c54c6e1a15..356c5cfb2e 100644
--- a/Language/Expressions/Maps/equal_keys_t01.dart
+++ b/Language/Expressions/Maps/equal_keys_t01.dart
@@ -12,7 +12,7 @@
  * @author msyabro
  * @author sgrekhov@unipro.ru
  */
-// SharedOptions=--enable-experiment=constant-update-2018
+
 main() {
   const m1 = <int, String>{1: "val1", 1: "val2"};     //# 01: compile-time error
   var m2 = const <String, int>{"key1": 1, "key1": 2}; //# 02: compile-time error
diff --git a/Language/Expressions/Shift/syntax_t01.dart b/Language/Expressions/Shift/syntax_t01.dart
index 2289a70a7c..ec1248559a 100644
--- a/Language/Expressions/Shift/syntax_t01.dart
+++ b/Language/Expressions/Shift/syntax_t01.dart
@@ -21,7 +21,7 @@
  * $Issue #36343
  * @author msyabro
  */
-// SharedOptions=--enable-experiment=triple-shift,constant-update-2018
+// SharedOptions=--enable-experiment=triple-shift
 
 topLevelFunction() {}
 
diff --git a/Language/Expressions/syntax_t01.dart b/Language/Expressions/syntax_t01.dart
index dbb2c62c70..7d59e33995 100644
--- a/Language/Expressions/syntax_t01.dart
+++ b/Language/Expressions/syntax_t01.dart
@@ -34,13 +34,14 @@
  *    constObjectExpression |
  *    `(' expression `)'
  *  ;
- * An expression e may always be enclosed in parentheses, but this never has any semantic effect on e.
- * @description Checks that a valid expression enclosed in parentheses is also a valid expression and evaluates
- * the same way.
+ * An expression [e] may always be enclosed in parentheses, but this never has
+ * any semantic effect on [e].
+ * @description Checks that a valid expression enclosed in parentheses is also a
+ * valid expression and evaluates the same way.
  * @author hlodvig
- * @reviewer iefremov
  * @needsreview TODO: extend to cover all expressions.
  */
+
 import "../../Utils/expect.dart";
 
 class S {
diff --git a/Language/Generics/Superbounded_types/class_A02_t02.dart b/Language/Generics/Superbounded_types/class_A02_t02.dart
index 1a37cc78a9..e78efd36fa 100644
--- a/Language/Generics/Superbounded_types/class_A02_t02.dart
+++ b/Language/Generics/Superbounded_types/class_A02_t02.dart
@@ -12,7 +12,6 @@
  * used with constructor in the constant object expression.
  * @author iarkh@unipro.ru
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 
 class A<T extends A<T>> {
   const A();
diff --git a/Language/Generics/Superbounded_types/class_A02_t03.dart b/Language/Generics/Superbounded_types/class_A02_t03.dart
index 3a57a1f1c5..f08969fb31 100644
--- a/Language/Generics/Superbounded_types/class_A02_t03.dart
+++ b/Language/Generics/Superbounded_types/class_A02_t03.dart
@@ -13,7 +13,6 @@
  * 37033 for more details)
  * @author iarkh@unipro.ru
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 
 class A<T extends A<T>> {
   const A();
diff --git a/Language/Generics/Superbounded_types/class_A02_t04.dart b/Language/Generics/Superbounded_types/class_A02_t04.dart
index 997d2d816c..f64d9da271 100644
--- a/Language/Generics/Superbounded_types/class_A02_t04.dart
+++ b/Language/Generics/Superbounded_types/class_A02_t04.dart
@@ -13,7 +13,6 @@
  * 37033 for more details)
  * @author iarkh@unipro.ru
  */
-// SharedOptions=--enable-experiment=constant-update-2018
 
 class A<T extends A<T>> {
   const A();