| Index: src/compiler/js-intrinsic-lowering.cc
|
| diff --git a/src/compiler/js-intrinsic-lowering.cc b/src/compiler/js-intrinsic-lowering.cc
|
| index 954eaad18e66d301804ceebf393e54f1986aab6e..877a601f8485188afd2f13a2ed49b64014275e02 100644
|
| --- a/src/compiler/js-intrinsic-lowering.cc
|
| +++ b/src/compiler/js-intrinsic-lowering.cc
|
| @@ -80,6 +80,8 @@ Reduction JSIntrinsicLowering::Reduce(Node* node) {
|
| case Runtime::kInlineArrayBufferViewGetByteOffset:
|
| return ReduceArrayBufferViewField(
|
| node, AccessBuilder::ForJSArrayBufferViewByteOffset());
|
| + case Runtime::kInlineArrayBufferViewWasNeutered:
|
| + return ReduceArrayBufferViewWasNeutered(node);
|
| case Runtime::kInlineMaxSmi:
|
| return ReduceMaxSmi(node);
|
| case Runtime::kInlineTypedArrayGetLength:
|
| @@ -349,6 +351,22 @@ Reduction JSIntrinsicLowering::ReduceArrayBufferViewField(
|
| return Replace(value);
|
| }
|
|
|
| +Reduction JSIntrinsicLowering::ReduceArrayBufferViewWasNeutered(Node* node) {
|
| + Node* receiver = NodeProperties::GetValueInput(node, 0);
|
| + Node* effect = NodeProperties::GetEffectInput(node);
|
| + Node* control = NodeProperties::GetControlInput(node);
|
| +
|
| + // Check if the {receiver}s buffer was neutered.
|
| + Node* receiver_buffer = effect = graph()->NewNode(
|
| + simplified()->LoadField(AccessBuilder::ForJSArrayBufferViewBuffer()),
|
| + receiver, effect, control);
|
| + Node* value = effect = graph()->NewNode(
|
| + simplified()->ArrayBufferWasNeutered(), receiver_buffer, effect, control);
|
| +
|
| + ReplaceWithValue(node, value, effect, control);
|
| + return Replace(value);
|
| +}
|
| +
|
| Reduction JSIntrinsicLowering::ReduceMaxSmi(Node* node) {
|
| Node* value = jsgraph()->Constant(Smi::kMaxValue);
|
| ReplaceWithValue(node, value);
|
|
|