src/objects.cc - Issue 6602081: Stop using plain Arrays internally in built-in functions.

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Unified Diff: src/objects.cc

Issue 6602081: Stop using plain Arrays internally in built-in functions. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge

Patch Set: Changed header in bootstrapper.cc Created 9 years, 10 months ago

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Index: src/objects.cc

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

index 0975a0364138bb6708a8326269ed9abeab90f425..aa485df7de2118f2df2ac9e84d3bc5003b174226 100644

--- a/src/objects.cc

+++ b/src/objects.cc

@@ -5552,6 +5552,10 @@ MaybeObject* JSFunction::SetPrototype(Object* value) {

Object* JSFunction::RemovePrototype() {

+ if (map() == context()->global_context()->function_without_prototype_map()) {

+ // Be idempotent.

+ return this;

+ }

ASSERT(map() == context()->global_context()->function_map());

set_map(context()->global_context()->function_without_prototype_map());

set_prototype_or_initial_map(Heap::the_hole_value());

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