Reject non-ASCII identifiers.

dart/tests/co19/co19-dart2js.status

Index: dart/tests/co19/co19-dart2js.status
diff --git a/dart/tests/co19/co19-dart2js.status b/dart/tests/co19/co19-dart2js.status
index 9f626efde495b0845d0d9f1c893cd5e014c355d3..3ace6fd254c17f384d53f36744ec5ee3b19c933d 100644
--- a/dart/tests/co19/co19-dart2js.status
+++ b/dart/tests/co19/co19-dart2js.status
@@ -926,8 +926,6 @@ Language/10_Expressions/21_Relational_Expressions_A01_t10: Fail # Checks that a
 Language/10_Expressions/21_Relational_Expressions_A01_t11: Fail # Checks that a relational expression cannot be the operand of another relational expression.
 Language/10_Expressions/21_Relational_Expressions_A01_t12: Fail # Checks that a relational expression cannot be the operand of another relational expression.
 Language/10_Expressions/21_Relational_Expressions_A01_t13: Fail # Checks that a relational expression cannot be the operand of another relational expression.
-Language/10_Expressions/28_Identifier_Reference_A01_t07: Fail # Checks that identifier can't contain letters from the cyrillic alphabet.
-Language/10_Expressions/28_Identifier_Reference_A01_t08: Fail # Checks that identifier can't contain letters from the turkish alphabet.
 Language/10_Expressions/28_Identifier_Reference_A07_t01: Fail # Checks that it is a compile-time error when a built-in identifier "abstract" is used as a type annotation of a local variable.
 Language/10_Expressions/28_Identifier_Reference_A07_t04: Fail # Checks that it is a compile-time error when a built-in identifier "equals" is used as a type annotation of a local variable.
 Language/10_Expressions/28_Identifier_Reference_A07_t09: Fail # Checks that it is a compile-time error when a built-in identifier "negate" is used as a type annotation of a local variable.