| Index: src/compiler/js-intrinsic-lowering.cc
|
| diff --git a/src/compiler/js-intrinsic-lowering.cc b/src/compiler/js-intrinsic-lowering.cc
|
| index 285fa162f98f722321f4cdac4906634d0ceb1a24..7fc50e5f5fcb462ff3c0167e70829736f76ead17 100644
|
| --- a/src/compiler/js-intrinsic-lowering.cc
|
| +++ b/src/compiler/js-intrinsic-lowering.cc
|
| @@ -314,27 +314,14 @@
|
| }
|
|
|
| Reduction JSIntrinsicLowering::ReduceGetSuperConstructor(Node* node) {
|
| - Node* target = NodeProperties::GetValueInput(node, 0);
|
| - // The prototype of subclass constructors is non-writable, non-configurable
|
| - // in ES6, so we don't need to do any checking, but we can just load (or even
|
| - // constant-fold) the prototype from the {target}.
|
| - HeapObjectMatcher m(target);
|
| - if (m.HasValue()) {
|
| - Handle<JSFunction> target_function = Handle<JSFunction>::cast(m.Value());
|
| - Node* value = jsgraph()->HeapConstant(handle(
|
| - JSFunction::cast(target_function->map()->prototype()), isolate()));
|
| - ReplaceWithValue(node, value);
|
| - return Replace(value);
|
| - } else {
|
| - Node* effect = NodeProperties::GetEffectInput(node);
|
| - Node* control = NodeProperties::GetControlInput(node);
|
| - Node* target_map = effect =
|
| - graph()->NewNode(simplified()->LoadField(AccessBuilder::ForMap()),
|
| - target, effect, control);
|
| - return Change(node,
|
| - simplified()->LoadField(AccessBuilder::ForMapPrototype()),
|
| - target_map, effect, control);
|
| - }
|
| + Node* active_function = NodeProperties::GetValueInput(node, 0);
|
| + Node* effect = NodeProperties::GetEffectInput(node);
|
| + Node* control = NodeProperties::GetControlInput(node);
|
| + Node* active_function_map = effect =
|
| + graph()->NewNode(simplified()->LoadField(AccessBuilder::ForMap()),
|
| + active_function, effect, control);
|
| + return Change(node, simplified()->LoadField(AccessBuilder::ForMapPrototype()),
|
| + active_function_map, effect, control);
|
| }
|
|
|
| Reduction JSIntrinsicLowering::Change(Node* node, const Operator* op, Node* a,
|
|
|