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903389 - Fix uses of ClassMethodIsNative.

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Gaming4JC 2019-06-08 17:11:49 -04:00 • committed by Roy Tam
commit 2391e18681
8 changed files with 73 additions and 71 deletions
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8
js/src/jsstr.cpp
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@ -461,9 +461,13 @@ ToStringForStringFunction(JSContext* cx, HandleValue thisv)
RootedObject obj(cx, &thisv.toObject());
if (obj->is<StringObject>()) {
StringObject* nobj = &obj->as<StringObject>();
Rooted<jsid> id(cx, NameToId(cx->names().toString));
if (ClassMethodIsNative(cx, nobj, &StringObject::class_, id, str_toString))
// We have to make sure that the ToPrimitive call from ToString
// would be unobservable.
if (HasNoToPrimitiveMethodPure(nobj, cx) &&
HasNativeMethodPure(nobj, cx->names().toString, str_toString, cx))
{
return nobj->unbox();
}
}
} else if (thisv.isNullOrUndefined()) {
JS_ReportErrorNumberASCII(cx, GetErrorMessage, nullptr, JSMSG_CANT_CONVERT_TO,