Fix bug in AOT compiler where we would propogate a result type for instances calls where the target…

runtime/vm/object.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/object.h"
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "vm/assembler.h"
 #include "vm/become.h"
@@ skipping 13393 matching lines @@
   const intptr_t len = NumberOfChecks();
   for (intptr_t i = 1; i < len; i++) {
     if (IsUsedAt(i) && (GetTargetAt(i) != first_target.raw())) {
       return false;
     }
   }
   return true;
 }
 
 
+bool ICData::HasOnlyDispatcherTargets() const {
+  const intptr_t len = NumberOfChecks();
+  Function& target = Function::Handle();
+  for (intptr_t i = 0; i < len; i++) {
+    target = GetTargetAt(i);
+    if (!target.IsNoSuchMethodDispatcher() &&
+        !target.IsInvokeFieldDispatcher()) {
+      return false;
+    }
+  }
+  return true;
+}
+
+
 void ICData::GetUsedCidsForTwoArgs(GrowableArray<intptr_t>* first,
                                    GrowableArray<intptr_t>* second) const {
   ASSERT(NumArgsTested() == 2);
   first->Clear();
   second->Clear();
   GrowableArray<intptr_t> class_ids;
   const intptr_t len = NumberOfChecks();
   for (intptr_t i = 0; i < len; i++) {
     if (GetCountAt(i) > 0) {
       GetClassIdsAt(i, &class_ids);
@@ skipping 9341 matching lines @@
   return UserTag::null();
 }
 
 
 const char* UserTag::ToCString() const {
   const String& tag_label = String::Handle(label());
   return tag_label.ToCString();
 }
 
 }  // namespace dart