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deps: backport 7b24219346 from v8 upstream
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Original:
	Fix lookup iterator checks in GetRealNamedProperty* methods

	BUG=v8:4143
	[email protected]
	LOG=n

	Review URL: https://codereview.chromium.org/1161553004

	Cr-Commit-Position: refs/heads/master@{#28616}

PR-URL: #1805
Reviewed-By: Domenic Denicola <[email protected]>
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rvagg committed May 27, 2015
1 parent 853a2b3 commit 70716fd
Showing 1 changed file with 5 additions and 6 deletions.
11 changes: 5 additions & 6 deletions deps/v8/src/api.cc
Original file line number Diff line number Diff line change
Expand Up @@ -4029,10 +4029,10 @@ MaybeLocal<Value> v8::Object::GetRealNamedPropertyInPrototypeChain(
auto proto = i::PrototypeIterator::GetCurrent(iter);
i::LookupIterator it(self, key_obj, i::Handle<i::JSReceiver>::cast(proto),
i::LookupIterator::PROTOTYPE_CHAIN_SKIP_INTERCEPTOR);
if (!it.IsFound()) return MaybeLocal<Value>();
Local<Value> result;
has_pending_exception = !ToLocal<Value>(i::Object::GetProperty(&it), &result);
RETURN_ON_FAILED_EXECUTION(Value);
if (!it.IsFound()) return MaybeLocal<Value>();
RETURN_ESCAPED(result);
}

Expand All @@ -4058,9 +4058,9 @@ v8::Object::GetRealNamedPropertyAttributesInPrototypeChain(
auto proto = i::PrototypeIterator::GetCurrent(iter);
i::LookupIterator it(self, key_obj, i::Handle<i::JSReceiver>::cast(proto),
i::LookupIterator::PROTOTYPE_CHAIN_SKIP_INTERCEPTOR);
if (!it.IsFound()) return Nothing<PropertyAttribute>();
auto result = i::JSReceiver::GetPropertyAttributes(&it);
RETURN_ON_FAILED_EXECUTION_PRIMITIVE(PropertyAttribute);
if (!it.IsFound()) return Nothing<PropertyAttribute>();
if (result.FromJust() == ABSENT) {
return Just(static_cast<PropertyAttribute>(NONE));
}
Expand All @@ -4078,16 +4078,15 @@ v8::Object::GetRealNamedPropertyAttributesInPrototypeChain(Handle<String> key) {

MaybeLocal<Value> v8::Object::GetRealNamedProperty(Local<Context> context,
Local<Name> key) {
PREPARE_FOR_EXECUTION(
context, "v8::Object::GetRealNamedPropertyInPrototypeChain()", Value);
PREPARE_FOR_EXECUTION(context, "v8::Object::GetRealNamedProperty()", Value);
auto self = Utils::OpenHandle(this);
auto key_obj = Utils::OpenHandle(*key);
i::LookupIterator it(self, key_obj,
i::LookupIterator::PROTOTYPE_CHAIN_SKIP_INTERCEPTOR);
if (!it.IsFound()) return MaybeLocal<Value>();
Local<Value> result;
has_pending_exception = !ToLocal<Value>(i::Object::GetProperty(&it), &result);
RETURN_ON_FAILED_EXECUTION(Value);
if (!it.IsFound()) return MaybeLocal<Value>();
RETURN_ESCAPED(result);
}

Expand All @@ -4107,9 +4106,9 @@ Maybe<PropertyAttribute> v8::Object::GetRealNamedPropertyAttributes(
auto key_obj = Utils::OpenHandle(*key);
i::LookupIterator it(self, key_obj,
i::LookupIterator::PROTOTYPE_CHAIN_SKIP_INTERCEPTOR);
if (!it.IsFound()) return Nothing<PropertyAttribute>();
auto result = i::JSReceiver::GetPropertyAttributes(&it);
RETURN_ON_FAILED_EXECUTION_PRIMITIVE(PropertyAttribute);
if (!it.IsFound()) return Nothing<PropertyAttribute>();
if (result.FromJust() == ABSENT) {
return Just(static_cast<PropertyAttribute>(NONE));
}
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