Report an error if a const constructor calls a non-const constructor.

tests/co19/co19-dart2js.status

Index: tests/co19/co19-dart2js.status
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--- tests/co19/co19-dart2js.status	(revision 25201)
+++ tests/co19/co19-dart2js.status	(working copy)
@@ -691,7 +691,6 @@
 Language/07_Classes/4_Abstract_Instance_Members_A04_t06: Fail # Checks that a compile-time error is produced when the overriding non-abstract  instance method has almost the same set of named parameters as the abstract method being overriden,  except for one that has a different name.
 Language/07_Classes/6_Constructors/1_Generative_Constructors_A09_t01: Fail # Checks that error is produced if a final variable is not initialized in one  of the specified ways.
 Language/07_Classes/6_Constructors/3_Constant_Constructors_A03_t01: Fail # Checks that a compile-time error is produced when a class with constant  constructor also declares a non-final instance variable.
-Language/07_Classes/6_Constructors/3_Constant_Constructors_A03_t02: Fail # Checks that compile-time error is produced when a class with constant constructor inherits a non-final instance variable.
 Language/07_Classes/6_Constructors_A02_t01: Fail # Checks that a compile-error is produced when a named constructor definition does not begin with the name of its class.
 Language/11_Expressions/01_Constants_A16_t01: Fail # Checks that an IntegerDivisionByZeroException raised during evaluation  of a compile-time constant causes a compile-time error.
 Language/11_Expressions/01_Constants_A16_t02: Fail # Checks that an OutOfMemoryException raised during evaluation of a compile-time constant causes a compile-time error.