Ensure that 'throw' has expression.

tests/language/language.status

Index: tests/language/language.status
diff --git a/tests/language/language.status b/tests/language/language.status
index e7ef47bda56e9ab17decfaee8d6f03cd776d60b0..5c668469b474d002bb138cad1cba50abb7741048 100644
--- a/tests/language/language.status
+++ b/tests/language/language.status
@@ -765,8 +765,6 @@ throw7_negative_test: fail
 try_catch_on_syntax_test/01: fail
 try_catch_on_syntax_test/07: fail
 try_catch_syntax_test/08: fail
-try_catch_syntax_test/16: fail
-try_catch_syntax_test/17: fail
 type_error_test: fail
 type_parameter_test/01: fail
 type_parameter_test/02: fail
@@ -802,6 +800,15 @@ lazy_static3_test: fail, OK
 # test issue 10752, there are 'implicit' scopes for 'if', 'while' and 'do-while'
 implicit_scope_test: fail, OK
 
+# test issue 10889, "throw" requires expression, "rethrow" should be used instead
+execute_finally10_test: fail, OK
+execute_finally11_test: fail, OK
+final_used_in_try_test: fail, OK
+full_stacktrace2_test: fail, OK
+stack_trace_test: fail, OK
+throw3_test: fail, OK
+try_catch3_test: fail, OK
+
 [ $compiler == dartanalyzer && $checked ]
 factory1_test/00: fail
 factory1_test/01: fail