https://codereview.chromium.org/649603003/diff/160001/src/objects.cc
File src/objects.cc (right):
https://codereview.chromium.org/649603003/diff/160001/src/objects.cc#newcode856
src/objects.cc:856: if (js_object->HasIndexedInterceptor()) {
If the holder is not the receiver, query the attributes rather than
using the presence of the setter.
If there's no setter, at least named properties can have data properties
behind the interceptor.
https://codereview.chromium.org/649603003/diff/160001/src/objects.cc#newcode884
src/objects.cc:884: return WriteToReadOnlyElement(isolate, receiver,
index, value, strict_mode);
You only need to throw read-only exceptions for indices within range of
string receivers. In all other cases, the operation is swallowed as the
receiver is wrapped (ToObject).
https://codereview.chromium.org/649603003/diff/160001/src/objects.cc#newcode894
src/objects.cc:894: false);
Add a test to ensure that SetElement updates the length if the receiver
is an array.
https://codereview.chromium.org/649603003/
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