When the `toLocaleString` was called on a TypedArray's value
the resulting object's `toString/valueOf` invocations could
create errors. These error values were not released.
In addition the input element value for the toString operation
was released twice in case of an error.
Fixes: #4148.
JerryScript-DCO-1.0-Signed-off-by: Peter Gal pgal.usz@partner.samsung.com
Péter Gál