Allow an interface to be (mal)bounded (fix issue 14118).

runtime/vm/compiler.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/compiler.h"
 
 #include "vm/assembler.h"
 
 #include "vm/ast_printer.h"
 #include "vm/block_scheduler.h"
@@ skipping 88 matching lines @@
   UNREACHABLE();
   return Error::null();
 }
 
 
 static void AddRelatedClassesToList(const Class& cls,
                                     const GrowableObjectArray& parse_list,
                                     const GrowableObjectArray& patch_list) {
   Isolate* isolate = Isolate::Current();
   Class& parse_class = Class::Handle(isolate);
-  Type& interface_type = Type::Handle(isolate);
+  AbstractType& interface_type = Type::Handle(isolate);
   Array& interfaces = Array::Handle(isolate);
 
   // Add all the interfaces implemented by the class that have not been
   // already parsed to the parse list. Mark the interface as parsed so that
   // we don't recursively add it back into the list.
   interfaces ^= cls.interfaces();
   for (intptr_t i = 0; i < interfaces.Length(); i++) {
     interface_type ^= interfaces.At(i);
     parse_class ^= interface_type.type_class();
     if (!parse_class.is_finalized() && !parse_class.is_marked_for_parsing()) {
@@ skipping 823 matching lines @@
       Object::Handle(isolate->object_store()->sticky_error());
     isolate->object_store()->clear_sticky_error();
     isolate->set_long_jump_base(base);
     return result.raw();
   }
   UNREACHABLE();
   return Object::null();
 }
 
 }  // namespace dart