src/factory.cc - Issue 437083004: Keep function.prototype fast.

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Unified Diff: src/factory.cc

Issue 437083004: Keep function.prototype fast. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge

Patch Set: Add TODO and make .prototype fast on creating the initial map Created 6 years, 4 months ago

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Index: src/factory.cc

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

index 60dc0b7a8d7a67fe2b507e10e23e89f15e24e881..864672143a800e0e6b5a4672f6697786f35a5341 100644

--- a/src/factory.cc

+++ b/src/factory.cc

@@ -1318,7 +1318,7 @@ Handle<JSObject> Factory::NewFunctionPrototype(Handle<JSFunction> function) {

// maps between prototypes of different constructors.

Handle<JSFunction> object_function(native_context->object_function());

ASSERT(object_function->has_initial_map());

- new_map = Map::Copy(handle(object_function->initial_map()));

+ new_map = Map::CopyAsPrototypeMap(handle(object_function->initial_map()));

}

Handle<JSObject> prototype = NewJSObjectFromMap(new_map);

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