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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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741 // below has been already performed. | 741 // below has been already performed. |
742 // For non-primitive checks we clear it to allow computing targets | 742 // For non-primitive checks we clear it to allow computing targets |
743 // for polymorphic calls. | 743 // for polymorphic calls. |
744 holder_ = Handle<JSObject>::null(); | 744 holder_ = Handle<JSObject>::null(); |
745 } | 745 } |
746 while (true) { | 746 while (true) { |
747 LookupResult lookup(type->GetIsolate()); | 747 LookupResult lookup(type->GetIsolate()); |
748 type->LookupInDescriptors(NULL, *name, &lookup); | 748 type->LookupInDescriptors(NULL, *name, &lookup); |
749 // If the function wasn't found directly in the map, we start | 749 // If the function wasn't found directly in the map, we start |
750 // looking upwards through the prototype chain. | 750 // looking upwards through the prototype chain. |
751 if (!lookup.IsFound() && type->prototype()->IsJSObject()) { | 751 if ((!lookup.IsFound() || IsTransitionType(lookup.type())) |
| 752 && type->prototype()->IsJSObject()) { |
752 holder_ = Handle<JSObject>(JSObject::cast(type->prototype())); | 753 holder_ = Handle<JSObject>(JSObject::cast(type->prototype())); |
753 type = Handle<Map>(holder()->map()); | 754 type = Handle<Map>(holder()->map()); |
754 } else if (lookup.IsProperty() && lookup.type() == CONSTANT_FUNCTION) { | 755 } else if (lookup.IsProperty() && lookup.type() == CONSTANT_FUNCTION) { |
755 target_ = Handle<JSFunction>(lookup.GetConstantFunctionFromMap(*type)); | 756 target_ = Handle<JSFunction>(lookup.GetConstantFunctionFromMap(*type)); |
756 return CanCallWithoutIC(target_, arguments()->length()); | 757 return CanCallWithoutIC(target_, arguments()->length()); |
757 } else { | 758 } else { |
758 return false; | 759 return false; |
759 } | 760 } |
760 } | 761 } |
761 } | 762 } |
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1210 int pos) | 1211 int pos) |
1211 : label_(label), | 1212 : label_(label), |
1212 statements_(statements), | 1213 statements_(statements), |
1213 position_(pos), | 1214 position_(pos), |
1214 compare_type_(NONE), | 1215 compare_type_(NONE), |
1215 compare_id_(AstNode::GetNextId(isolate)), | 1216 compare_id_(AstNode::GetNextId(isolate)), |
1216 entry_id_(AstNode::GetNextId(isolate)) { | 1217 entry_id_(AstNode::GetNextId(isolate)) { |
1217 } | 1218 } |
1218 | 1219 |
1219 } } // namespace v8::internal | 1220 } } // namespace v8::internal |
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