Handle metadata with type literals or qualified identifiers.

tests/lib/lib.status

Index: tests/lib/lib.status
diff --git a/tests/lib/lib.status b/tests/lib/lib.status
index 3e6720b4814a23456c7d6bb33c8a5d3ac37e52c1..23824535d9124e3016bf60f9d0e6a89434c8706c 100644
--- a/tests/lib/lib.status
+++ b/tests/lib/lib.status
@@ -53,6 +53,12 @@ mirrors/invoke_throws_test: RuntimeError # Issue 11954
 mirrors/library_declarations_test/none: RuntimeError # Issue 13439, Issue 13733
 mirrors/library_metadata2_test/01: CompileTimeError # Issue 13633
 mirrors/library_uri_io_test: Skip # Not intended for dart2js as it uses dart:io.
+mirrors/metadata_allowed_values_test/01: MissingCompileTimeError # Issue 14548
+mirrors/metadata_allowed_values_test/05: MissingCompileTimeError # Issue 14548
+mirrors/metadata_allowed_values_test/10: MissingCompileTimeError # Issue 14548
+mirrors/metadata_allowed_values_test/11: MissingCompileTimeError # Issue 14548
+mirrors/metadata_allowed_values_test/13: MissingCompileTimeError # Issue 14548
+mirrors/metadata_allowed_values_test/14: MissingCompileTimeError # Issue 14548
 mirrors/method_mirror_name_test: RuntimeError # Issue 6335
 mirrors/method_mirror_properties_test: RuntimeError # Issue 11861
 mirrors/method_mirror_returntype_test : RuntimeError # Issue 11928
@@ -248,6 +254,7 @@ math/min_max_test: StaticWarning
 mirrors/equality_test/02: StaticWarning # Issue 14524
 mirrors/generic_f_bounded_mixin_application_test: CompileTimeError # Issue 14116
 mirrors/invoke_named_test: StaticWarning # Issue 14522
+mirrors/metadata_allowed_values_test/none: CompileTimeError # Issue 14688
 mirrors/private_symbol_test: StaticWarning # Issue 14524
 mirrors/reflect_class_test: StaticWarning # Issue 14524
 mirrors/type_variable_owner_test: StaticWarning # Issue 14524