Normative: Disallow ArrayBuffers bigger than 2**53 (#3052)

Author: dewren99

spec.html

@@ -4507,6 +4507,7 @@ <h1>
         <dl class="header">
         </dl>
         <emu-alg>
+          1. If _size_ > 2<sup>53</sup> - 1, throw a *RangeError* exception.
           1. Let _db_ be a new Data Block value consisting of _size_ bytes. If it is impossible to create such a Data Block, throw a *RangeError* exception.
           1. Set all of the bytes of _db_ to 0.
           1. Return _db_.