Add assert-in-initializer-list to formal specification.

tests/language/language_dart2js.status

Index: tests/language/language_dart2js.status
diff --git a/tests/language/language_dart2js.status b/tests/language/language_dart2js.status
index b235e470a6066eaa899b9f9a792b657e43e8004b..0a66558a55950ffe7f2c83382331e7eaa09fbe71 100644
--- a/tests/language/language_dart2js.status
+++ b/tests/language/language_dart2js.status
@@ -51,6 +51,22 @@ generic_function_typedef2_test/06: Crash # Issue 28214
 
 stacktrace_demangle_ctors_test: Fail # dart2js stack traces are not always compliant.
 
+assertion_initializer_const_error2_test/cc01: Crash
+assertion_initializer_const_error2_test/cc02: Crash
+assertion_initializer_const_error2_test/cc03: Crash
+assertion_initializer_const_error2_test/cc04: Crash
+assertion_initializer_const_error2_test/cc05: Crash
+assertion_initializer_const_error2_test/cc06: Crash
+assertion_initializer_const_error2_test/cc07: Crash
+assertion_initializer_const_error2_test/cc08: Crash
+assertion_initializer_const_error2_test/cc09: Crash
+assertion_initializer_const_function_error_test/01: Crash
+assertion_initializer_const_function_test/01: CompileTimeError
+assertion_initializer_test: Crash
+
+[$compiler == dart2js && $runtime == d8 && $checked]
+assertion_initializer_const_function_test/none: RuntimeError
+
 [ $compiler == dart2js && $fast_startup ]
 const_evaluation_test/*: Fail # mirrors not supported
 deferred_constraints_constants_test/none: Fail # mirrors not supported