Disallow reserved words for "const Symbol(...)" with the exception of 'void'.

tests/lib/lib.status

Index: tests/lib/lib.status
diff --git a/tests/lib/lib.status b/tests/lib/lib.status
index 687e9ab0fb11ac96eb40b68e62870dcf874988b9..d6fbee204087e917a1ce3fc9413d8541cfabda4b 100644
--- a/tests/lib/lib.status
+++ b/tests/lib/lib.status
@@ -323,7 +323,7 @@ convert/utf85_test: Skip  # Pass, Slow Issue 12644.
 convert/utf85_test: Skip # Pass, Slow Issue 20111.
 
 # These tests use "const Symbol('void')".
-[ $compiler == dartanalyzer || $compiler == dart2analyzer ]
+[ $compiler == dart2analyzer ]
 mirrors/basic_types_in_dart_core_test: CompileTimeError
 mirrors/function_type_mirror_test: CompileTimeError
 mirrors/method_mirror_returntype_test: CompileTimeError