Distinguish between malformed and malbounded types (fix issues 12552 and 12554).

tests/language/language_dart2js.status

Index: tests/language/language_dart2js.status
===================================================================
--- tests/language/language_dart2js.status	(revision 26663)
+++ tests/language/language_dart2js.status	(working copy)
@@ -36,6 +36,7 @@
 type_variable_bounds3_test/00: Fail # Issue 12702
 f_bounded_quantification_test/01: Fail # Issue 12703
 f_bounded_quantification_test/02: Fail # Issue 12703
+f_bounded_quantification5_test: Fail # Issue 12703
 closure_type_test: Fail # Issue 12745
 function_subtype_setter0_test: Fail # Issue 11273
 
@@ -67,6 +68,7 @@
 
 [ $compiler == dart2js && $minified ]
 f_bounded_quantification4_test: Fail # Issue 12605.
+f_bounded_quantification5_test: Fail # Issue 12605.
 
 [ $compiler == dart2js ]
 function_type_alias6_test/00: Crash # Issue 9792
@@ -455,6 +457,7 @@
 [ $compiler == dart2dart && $minified ]
 super_getter_setter_test: Fail # Issue 11065.
 f_bounded_quantification4_test: Fail # Issue 12605.
+f_bounded_quantification5_test: Fail # Issue 12605.
 
 # TODO(tball): Assign proper bug numbers.
 class_literal_test: Fail