src/heap/heap.cc - Issue 1689733002: Optimize @@species based on a global 'protector' cell

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Unified Diff: src/heap/heap.cc

Issue 1689733002: Optimize @@species based on a global 'protector' cell (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master

Patch Set: Rebase Created 4 years, 10 months ago

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Index: src/heap/heap.cc

diff --git a/src/heap/heap.cc b/src/heap/heap.cc

index 540c2ec173b48c106be42cb7825d999147b2f71d..eeae8d53921444b933a8c989aabb2d42956cb4fa 100644

--- a/src/heap/heap.cc

+++ b/src/heap/heap.cc

@@ -2851,6 +2851,10 @@ void Heap::CreateInitialObjects() {

cell->set_value(the_hole_value());

set_empty_property_cell(*cell);

+ Handle<PropertyCell> species_cell = factory->NewPropertyCell();

+ species_cell->set_value(Smi::FromInt(Isolate::kArrayProtectorValid));

+ set_species_protector(*species_cell);

set_weak_stack_trace_list(Smi::FromInt(0));

set_noscript_shared_function_infos(Smi::FromInt(0));

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