Reviewers: Hannes Payer,
Description:
Ensure escape analysis preserves boxed HeapNumber.
[email protected]
Please review this at https://codereview.chromium.org/23940005/
SVN Base: https://v8.googlecode.com/svn/branches/bleeding_edge
Affected files (+4, -3 lines):
M src/deoptimizer.cc
Index: src/deoptimizer.cc
diff --git a/src/deoptimizer.cc b/src/deoptimizer.cc
index
c979a534d89f0a4322fdf9a94d17f0935e3a2afd..0c9760e0fa09c4b44e50a21a75eed5b09accb3ca
100644
--- a/src/deoptimizer.cc
+++ b/src/deoptimizer.cc
@@ -1617,9 +1617,10 @@ Handle<Object>
Deoptimizer::MaterializeNextHeapObject() {
Handle<Map> map = Handle<Map>::cast(MaterializeNextValue());
switch (map->instance_type()) {
case HEAP_NUMBER_TYPE: {
- Handle<HeapNumber> number =
- Handle<HeapNumber>::cast(MaterializeNextValue());
- materialized_objects_->Add(number);
+ Handle<HeapNumber> object =
isolate_->factory()->NewHeapNumber(0.0);
+ materialized_objects_->Add(object);
+ Handle<Object> number = MaterializeNextValue();
+ object->set_value(number->Number());
materialization_value_index_ += kDoubleSize / kPointerSize - 1;
break;
}
--
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