Revert "Reapply r27640: "Emit compile-time error on duplicate parameter names in typedefs.""

tests/co19/co19-dart2js.status

Index: tests/co19/co19-dart2js.status
diff --git a/tests/co19/co19-dart2js.status b/tests/co19/co19-dart2js.status
index 3bf44cb9a82976cde0a151455979cb1f2ec31e1b..b8db1bf4ea49bc6f687897d16170f486370150b7 100644
--- a/tests/co19/co19-dart2js.status
+++ b/tests/co19/co19-dart2js.status
@@ -164,6 +164,8 @@ LibTest/core/RegExp/Pattern_semantics/firstMatch_Term_A04_t01: Fail, OK # co19 i
 # can understand so he can file a bug later.
 #
 [ $compiler == dart2js ]
+Language/03_Overview/1_Scoping_A01_t40: Fail, OK # co19 issue 188
+Language/03_Overview/1_Scoping_A01_t41: Fail, OK # co19 issue 188
 Language/03_Overview/2_Privacy_A01_t09: Fail, OK # co19 issue 198
 Language/03_Overview/2_Privacy_A01_t11: Pass, OK # co19 issue 316
 Language/06_Functions/4_External_Functions_A01_t01: Fail, OK # http://dartbug.com/5021
@@ -309,6 +311,7 @@ LibTest/math/log_A01_t01: Fail # TODO(kasperl): Please triage.
 # Missing compile-time errors.
 #
 [ $compiler == dart2js ]
+Language/03_Overview/1_Scoping_A01_t39: Fail # dartbug.com/7202
 Language/05_Variables/05_Variables_A01_t04: Fail # Checks that a variable declaration cannot contain both 'final' and 'var'.
 Language/05_Variables/05_Variables_A01_t05: Fail # Checks that a variable declaration cannot contain both 'var' and 'type'.
 Language/05_Variables/05_Variables_A01_t08: Fail # Checks different variables in a single variable declaration must be delimited by commas.