Emit compile-time errors for conflicting modifiers.

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 d803774cc914db24a8074a8f3b612b2fc53ad74d..946fb2964865cc0394ffa84ca0bc9d39559715a4 100644
--- a/tests/co19/co19-dart2js.status
+++ b/tests/co19/co19-dart2js.status
@@ -310,12 +310,6 @@ LibTest/math/log_A01_t01: Fail # TODO(kasperl): Please triage.
 #
 [ $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.
-Language/05_Variables/05_Variables_A01_t12: Fail # Checks that variable declaration cannot contain both 'const' and 'var'.
-Language/05_Variables/05_Variables_A01_t13: Fail # Checks that variable declaration cannot contain both 'const' and 'final'.
-Language/05_Variables/05_Variables_A01_t14: Fail # Checks that variable declaration cannot contain 'const', 'final' and 'var' simultaneously.
 Language/05_Variables/05_Variables_A07_t07: Fail # Checks that a compile-time error occurs if a global constant variable is not initialized at declaration.
 Language/05_Variables/05_Variables_A07_t08: Fail # Checks that a compile-time error occurs if a global typed constant variable is not initialized at declaration.
 Language/05_Variables/05_Variables_A08_t01: Fail # Checks that a compile-time error occurs if a constant variable is not initialized.